Showing 30 results for Performance
Farin Khanehshenas, Teimour Allahyari, H.reza Khalkhali,
Volume 1, Issue 3 (3-2014)
Abstract
Introduction: Bank staff experience high level of job stress due to the nature of their work. One of the consequences of stress is its impact on job performance. Since the internal studies in this area are relatively rare, this study was conducted to investigate the relationship between the psychosocial stressors and job performance among bank staff.
Materials and Methods: All staff of the bank branches participated in this study. The General Nordic Questionnaire and Human Resource Productivity Questionnaire were used for data collection. The correlation coefficient and regression models were employed to examine the relationship between job stressors and their scales as independent variables and job performance as the dependent variable. Furthermore, in order to accurately assess the relations between variables, structural equation models were utilized.
Results: The results revealed that the prevalence of stress among bank staff was in moderate level (46.6%). Meanwhile, there was a negative and significant relationship between stress in "task domain" and "socio-organizational domain" and job performance. Among the measures in socio-organizational domain, organizational culture and leadership showed highly negative and significant relationships with job performance (p= 0.001).
Conclusion: According to the obtained results, socio-organizational domain can be considered as the main cause of loss of productivity. Hence, it is suggested to make further attempts to control the psychosocial factors in workplaces and avoid performance deterioration, particularly in organizational culture and leadership measures.
Mohamad Ali Zamani, Reza Osqueizadeh, Seyyed Farhad Tabatabai Ghomshe,
Volume 2, Issue 2 (9-2014)
Abstract
Abstract
Introduction
The extensive development of written interactions in the current world of technology in one hand, and on the other hand noticeable dominance of English language in this milieu, has led to inadequate utilization of Farsi in such settings, even amongst native speakers. Lack of experimental data regarding legibility and readability of the printed and electronic texts related to this language has been the main theory behind the current research, which was designed to evaluate correlations between typography and reading performance.
Materials & Methods
Eighty four Farsi speaking university students, having no specific visual impairments, took part in the study. Frequently used Farsi fonts, edited in equal pixel areas and sizes, and were evaluated through legibility and readability tests. Word detection and word search techniques were considered for each test respectively. All trails were designed within similar visual interaction conditions to avoid any background biases.
Results
Statistical analyses revealed correlations between typography and readying performance in Farsi (compared to English). Amongst the six frequently used fonts studied, legibility was significantly higher in Yekan, t (83) = -2.649, p=0.012. Likewise readability was found to be significantly smoother in Zar font, t (83) = - 2.194, p=0.037.
Conclusion
On the whole, the current approach towards classification of Persian fonts confirms the outcomes of the present study. In other words, fonts frequently used for development of body of the texts usually have higher legibility, and types being utilized for presentation purposes mainly possess higher readability.
Mojtaba Abbaszadeh, Seyyed Abolfazl Zakerian, Ali Nahvi, Jebrael Nasl Seraji,
Volume 2, Issue 3 (12-2014)
Abstract
Introduction: One of the
most important subjects in the analysis of driver’s behavior had been situation
awareness during the past decade. However, no study has been investigated the
relation among component of situation awareness and performance and cognitive
abilities of bus drivers. Current study aimed to survey relationship between
bus drivers’ situation awareness, driving performance and cognitive abilities
using driving simulator.
Material and Methods: In this study,
30 professional bus drivers who have diploma or higher degree participated.
Situation awareness measured by SAGAT technique and tests UFOV, EFT and WMS
were used for measuring of cognitive abilities. Brake reaction time and lane
departures were criteria for driving performance.
Results: Accordingly,
the result showed significant relation between drivers’ situation awareness
before and after hazard conditions. Among WMS, divided attention, selective
attention and EFT with level 1 of situation awareness was seen significant
relation. The result of current study released a significant correlation among
WMS and divided attention with lane departure.
Conclusion: Results
showed, in general, the driver's situational awareness in dangerous conditions
increases. The study showed that cognitive ability affects only level 1 of
situational awareness. According to role of situational awareness in driving
performance, the results of lane keeping showed that perception might be a key
factor in driving performance.
Mansour Ziaei, Ghobad Rezaei, Hamed Yarmohammadi, Elahe Khoshboo, Faramarz Gharagozlou,
Volume 3, Issue 1 (6-2015)
Abstract
Introduction: Job involvement is defined as one’s psychological dependence on his/her job. Employees with high job involvement
pay more attention to their job. The present study aimed to determine the relationship between teachers’
job involvement and demographic characteristics in Kermanshah (Iran) secondary
schools during 2013.
Materials and Methods: This cross-sectional study was
performed on 211 teachers (161 male and 50 female). Data were collected using
the Job Involvement Scale. The collected data were analyzed using Spearman’s
correlation coefficient, independent t-test, and analysis of variance (ANOVA).
P values less than 0.05 were considered significant.
Results: The teachers’ mean age and work experience were 32.21 and
8.49 years, respectively. Low, moderate, and high levels of job involvement were
detected in 22.3%, 54.5%, and 23.2% of the teachers, respectively. Job
involvement was significantly higher in married teachers than single subjects
(p = 0.027). Moreover, teachers without a second job had higher job involvement
than those with a second job (p = 0.006). There were no statistical
correlations between job involvement and age, sex, work experience, or level of
education.
Conclusion: The participating teachers
generally had low-moderate levels of job involvement. Low salary, working
multiple jobs, and low social prestige were mostly responsible for such low
levels of job involvement. Therefore, increasing teachers’ salary, providing
teachers with special facilities (e.g. low-interest loans), and developing a system
for teachers’ promotion (similar to that existing for faculty members) can be
effective in increasing job involvement among teachers
Parisa Hosseini Koukamari, Abdolzahra Naami, Teimour Allahyari,
Volume 3, Issue 1 (6-2015)
Abstract
Introduction:
Adaptive performance is defined as an employee’s ability to deal with changes and new and unusual situations
in the workplace. The present study
mainly focused on factor analysis of the Adaptive Performance Scale (APS) and
determining its validity and reliability. Adaptive
performance is a multi-dimensional
structure with five
latent factors.
Materials and Methods: This method
validation study was conducted in Ahvaz, Iran. 210 randomly selected
public hospital nurses completed the Persian version of the APS. Exploratory factor analysis (varimax rotation) was used to explore the
factor structure of the scale. Confirmatory factor analysis and structural equation modeling were applied
to fit the model.
Results: The
overall reliability of the APS was confirmed (Cronbach’s alpha = 0.89). Factor
analysis was used to evaluate the factor structure of the scale. Kaiser-Meyer-Olkin index (0.88) and
Bartlett's sphericity test result (1639.093) were both significant.
Finally, varimax rotation showed all items to have significant factor loadings.
Conclusion: Our findings
confirmed the acceptable psychometric properties (reliability
and validity) of the APS for administration among nurses. Therefore, the
adaptive performance construct contains five distinct dimensions, namely dealing with emergency and
unexpected situations, work stress
management, creative problem solving,
learning, and interpersonal adaptability. These results are consistent
with previous studies.
Payam Heydari, Sakineh Varmazyar, Shahzad Sabeti, Somayeh Jafari, Sajjad Ataei,
Volume 3, Issue 4 (3-2016)
Abstract
Introduction: Listening to music during physical activity reduces the perceived stress on body. Hence, this study aimed to evaluate the effects of music genre and sound pressure level on calorie consumption and physical performance of students during treadmill tests.
Methods: In this cross-sectional study, 27 students were randomly selected. A demographic questionnaire, Borg Rating of Perceived Exertion Scale (RPE 6-20), and the Physical Activity Readiness Questionnaire (PAR-Q) were used for data collection. During flat and sloped treadmill running (five minutes at 6 km/hour), two pieces of music with fast and slow tempo (200 and 70 beat per minute) were also played at two sound pressure levels (60 and 80 dB). During the exercise, the students’ heart rate and calorie consumption were measured by a calorimeter (Beurer PM100). At each stage, the physical performance of the participants was estimated using the relevant equation.
Results: The students had the lowest physical performance (61.48) when no music was played and the highest physical performance (92.48) with slow, loud music. The mean heart rate, calorie consumption, and perceived exertion were maximized without music and minimized when slow, loud music was played.
Conclusion: Playing soft music at high sound pressure levels can promote physical performance during exercise by decreasing heart rate, calorie consumption, and perceived exertion.
Behnam Mohammadi,
Volume 4, Issue 1 (6-2016)
Abstract
Abstract
Introduction: Job stress such as role ambiguity, a situation that arises from the interaction between people and jobs, reduces the performance and job satisfaction. Proactive people eliminate ambiguity in their jobs by behaviors such as innovation. The present study aimed at investigating the impact of proactive personality on job satisfaction and performance mediated by information seeking.
Methods: The statistical population of this survey consisted of the official staff and contractual personnel of Bid Boland gas refinery, from whom 260 were selected using the hierarchical random sampling method. The research design of this study was correlation, through structural equation modeling. The data collection tools were Role Ambiguity Scale, Proactive Behavior Questionnaire (Ashford and Black), Job Satisfaction Questionnaire (Brayfield & Rothe), and Job Performance Questionnaire (Paterson). The assessment of the proposed pattern was conducted through path analysis.
Results: The results supported the suitability of the relationship between the patterns and the collected data. The results revealed that proactive behavior mediated the effect of role ambiguity in job satisfaction and performance. All the routes in the research model were meaningful (P < 0.001) and the overall fit index [root mean square error of approximation (RMSEA)] was 0.04, which represents an excellent fit pattern.
Conclusions: Proactive behavior eliminates uncertainty for employees and finally eliminates the negative effects of role ambiguity on job performance and satisfaction and leads to increased performance and satisfaction of employees.
Mohammad Hassani, Farahnaz Dehgan, Mehdi Kazemzadehbeytali,
Volume 4, Issue 3 (12-2016)
Abstract
Introduction: Since faculty members are among the most important assets of higher education institutions, surveying and identifying factors associated with these sources that can be effective on their performance and stress have gained increasing importance. Accordingly, the present study was conducted to survey the relationship between personal accountability and job performance considering the mediating effect of skills and job stress among employees of the University of Shiraz.
Methods: The statistical population of this study consisted of all of Shiraz University staff who had high school diploma, which included 726 individuals. A sample of 256 persons was chosen using stratified random sampling method. The research method was descriptive-correlative. Data were collected using Hochwarter et al. (2005) accountability, job performance (1990) of Paterson, House and Rizzo’s (1972) Job tension and political skills, and Ferris et al. (2005) satisfaction standard questionnaires. The structural equation modeling (SEM) was used to study the relationship between the latent variables and the measured ones in conceptual model.
Results: The results showed that job performance was affected by personal accountability; employees who had political skills had more accountability, which significantly affected their job performance. Job tension had a significant negative correlation with job performance.
Conclusions: According to the results, political skills and job tension affected the relationship of individual’s accountability with job performance. The results put emphasis on the necessity of reassessing the mediating roles of political skills and job tension in surveying the causal relationships of accountability with job performance.
Mahdi Ebnali Heidari, Kamal Azam, Ahmadreza Nazeri, Majid Ebnali Heidari, Alireza Shateri,
Volume 4, Issue 4 (3-2017)
Abstract
Introduction: Driving is a complex task engaging high level of cognitive and motor processes. Adding to this complexity, engagement in cognitive secondary tasks such as talking with other passengers, speaking on the cell phone or listening to radio may effect driving performance. In addition, age-related cognitive limitations may adversely challenge driving performance. As the number of elderly drivers is rising, it is important to pay more attention to this matter.
Methods: The effects of cognitive secondary tasks on driving performance were explored through two on-road experiments (with and without listening to a recorded dialogue). In this study thirty-two individuals (male, M = 72.6, SD = 5.43) voluntarily took part in the experiments. The mean driving speed, duration of driving in unsafe-zones, numbers of overtaking, and deviation of lateral lane position were recorded, adopting a radar system and video camera. After determination of the normality of data, paired t test and correlation analysis were conducted.
Results: Mean driving speed (P < 0.05), duration of driving in an unsafe zone (P < 0.05), and numbers of overtaking (P < 0.001) showed considerable reduction of participants’ engagement in listening to the recorded dialogue. In contrast, mean deviation of lateral lane position increased.
Conclusions: The findings revealed that driving performance of elderly drivers was effected when listening to a recorded dialogue. However, in order to increase driving safety, they adopted some compensating strategies.
Habibollah Dehghan, Zohre Mohebian, Ghasem Yadegarfar,
Volume 4, Issue 4 (3-2017)
Abstract
Introduction: Few studies were conducted to determine the effects of lighting on cognitive performance. However, they could not reach a decisive conclusion. This study investigated cognitive performance of university students exposed to different levels of lighting under laboratory conditions.
Methods: In this experimental study, 33 subjects (age range 19-26 years) performed cognitive tests. Participants were exposed to three levels of lighting (200, 500 and 1500lux) in laboratory conditions while performing CPT tests to investigate percentage of attention and reaction time machine that measures reaction time.
Results: The results of this study showed that the maximum percentage of attention (99.75%) belonged to lighting of 1500 (lux) and the minimum percentage of attention was related to 500(lux) (99.36%). statistical analysis showed significant differences in percentage of attention in different levels of lighting (P=0.004). In addition, results of data analysis showed that increase in intensity of lighting can make a significant change in the average response time (P˂0.001), correct response (P=0.004), commission error (P=0.001) and omission error (P=0.017). With increasing the lighting intensity, reaction time has decreased. The reaction time showed significant differences at all levels of lighting (P˂0.001)
Conclusion: According to the findings of this study, lighting causes a decrease in reaction time and increase in attention. Thus, the lighting should be taken into account while designing of job and tasks which need attention or reaction time.
Rostam Golmohammadi, Mohsen Mehdinia, Reza Shahida, Ebrahim Darvishi,
Volume 5, Issue 2 (9-2017)
Abstract
Introduction: Lighting affects many non-visual functions such as Circadian rhythm, alertness, core body temperature, hormone secretion and sleep. The aim of this study was to investigate the effects of lighting on human cognitive and mental performance.
Methods: In this systematic review, databases including ISI Web of Knowledge, Scopus, PubMed and Science Direct were searched to access the relevant studies. The search was performed using the keywords "Lighting" and "Illumination" and "Cognitive Performance", "Mental Performance", "Memory ", "Attention", and "Concentration" by title, keyword and abstracts of articles published in mentioned databases from 2010 to 2016.
Results: Lighting affects human cognitive performance in three areas of psycho-cognitive (visual comfort, visual perception, color recognition, identification of symbols, attention, working memory, learning, reaction time and brain function), biocognitive area (alertness, mood, vitality, subjective feelings, motivation, well-being and quality of sleep) and mental workload (amount of workload, psychological stress, and mental fatigue). The best light to regulate cognitive, biological (circadian rhythm) and mental processes is bright daylight in the morning with a short wavelength (wavelength 420-480 nm) and high intensity (1000lx).
Conclusions: Lighting design in addition to providing comfort and visual needs should provide the non-visual and cognitive needs such as attention, alertness, mood, sleep quality and decrease mental fatigue and eventually well-bing.
Azar Soltani, Mohsen Aliabadi, Rostam Golmohammadi, Majid Motamedzade,
Volume 6, Issue 1 (6-2018)
Abstract
Background: Exposure to hand-arm vibration is one of the most common physical harmful factors. The purpose of this study was Experimental study of the level of manual performance disability caused by exposure to hand-arm vibration among automobile casting workers.
Methods: This study was performed on 53 casting workers as case group and 28 controls as control group. The measurement of the vibration of the worker's arms and hands was carried out in accordance with the ISO 5349 standard. The level of manual performance disability was evaluated using skeletal-muscular, sensory-neural and vascular tests. Also, a questionnaire was used for the level of disability of the arm, shoulder and hand DASH. Data were analyzed using SPSS16 software.
Results: The 8-hour vibration exposure was 8.33 m / s2 (4.49), which is exceeded the permissible level. Skill and dexterity, fingers and grip strength of the dominant hand in the case group were decreased by 4%, 13.3% and 11%, respectively (p <0.05). The regeneration time of the dominant hand in the case group was 41.2% higher than the control group (p <0.05). Sensory-neurological complications increased in the case group compared to the control group, however, it was not statistically significant. The DASH score in the case group was 10.7 (13.4) and the control group was 4.1 (5.1).
Conclusion: Hand-arm manual performance disability in workers exposed to vibration decreased from 4% to 14%, which confirmed the DASH score. In addition, workers showed a higher level of vascular complications compared with sensory-neurological complications.
Fakhradin Ghasemi, Mostafa Mirzaei, Mohsen Mahdinia, Ebrahim Darvishi, Reza Shahidi,
Volume 6, Issue 2 (9-2018)
Abstract
Introduction: Many organizational, social, and personal factors can affect safety performance of employees. Personal commitment to safety is another factor in this regard to which has been paid less attention in previous studies. The main objective of the present study is to investigate the role of this factor in shaping safety performance of employees.
Materials & Methods: This cross-sectional study was conducted among 302 workers from several small manufacturing industries in several provinces located in the center of Iran. Data were collected using a researcher-made questionnaire. In order to determine the role of personal commitment to safety, several hypotheses were defined. According to them, personal commitment to safety can mediate the effect of organizational factors on safety performance. Structural equation modeling (SEM) was employed for examining the hypotheses.
Results: The model demonstrated that personal commitment to safety has significant direct effect on safety performance. Management commitment to safety is the main factor affecting personal commitment to safety (P<0.01, path coefficient= 0.257). Supportive environment was another important factor in this regard (P<0.01, path coefficient= 0.175). In contrast, safety training had no significant effect on personal commitment to safety (P=0.328), demonstrating its poor designing.
Conclusion: Personal commitment to safety can be promoted by improving organization and social factors, such as management commitment to safety and supportive environment, which in turn would result in improvement of safety performance.
Zivar Sabaghinejad, Abdolkazem Neisi, Somaye Parvin,
Volume 6, Issue 3 (10-2018)
Abstract
Background & Objectives: Each organization needs to provide an environment that is smooth, tensile, comfortable and affordable with appropriate physical and emotional conditions for each employee, a safe and relaxed working environment, so that they can work best with a sense of job satisfaction. The present study examines the ergonomic conditions of libraries in public universities in Ahwaz and its impact on job satisfaction and librarians.
Methods: This research is descriptive and has been surveyed. The population of the study consisted of 84 librarians of Shahid Chamran Universities and Ahvaz Jundishapur University of Medical Sciences who participated in the study census. To evaluate ergonomic conditions, a questionnaire was extracted from ergotools software, job satisfaction survey from Arenson et al. Scale and job evaluation questionnaire by Faraj Pahloo, Nooshin Fard and Hasanzadeh. Relationships between research variables were investigated using structural equation modeling.
Results: The results showed that there is a direct, positive and significant relationship between ergonomic conditions and job satisfaction, job satisfaction and job performance, and ergonomic conditions and job performance. There is also a positive and significant indirect relationship between ergonomic conditions and job performance due to job satisfaction.
Conclusion: All relationships between the variables examined were confirmed. Therefore, ergonomic conditions are effective both directly and through the job satisfaction of librarians’ job performance. Considering the positive and direct relationship, it can be said that the librarians of the public universities’ libraries of Ahwaz are pleased with better ergonomic conditions and show better job performance.
Behzad Fouladi Dehaghi, Abbas Mohammadi, Leila Nematpour,
Volume 7, Issue 2 (9-2019)
Abstract
Background and Objectives: Mental fatigue is a condition triggered by prolonged cognitive activity. Mental fatigue causes brain over-activity. This is a condition where the brain cells become exhausted, hampering person productivity, and overall cognitive function. The aim of this study was to assess students’ mental fatigue using brain indices.
Methods: The present descriptive - analytic study has been conducted on 20 students of the Faculty of Health mean age (SD) of 24.40 (3.73) years old in Ahwaz University of Medical Sciences (2019). To assess the performance of the participants, they were asked to study a text with spelling errors and correct those errors. This activity was performed in five stages, each lasting 15 min and EEG was recorded at all stages, and at each stage, the visual analog scale was completed by participants. Data analysis was done by SPSS 24.
Results: The results showed that the activity of alpha, beta, and theta signals in the first 15 minutes was 0.89±0.30, 0.70±0.33, and 1.19±0.36, and the last 15 minutes, 0.63±0.34, 0.55±0.26, and 1.03±0.34 respectively. Reducing the activity of the signals indicated there has been an increase in the amount of mental fatigue in individuals. Also, using visual analog scale, the individuals have acknowledged that they have experienced symptoms of mental fatigue. Finally, there was no significant relationship between students’ EEG and visual analog scale.
Conclusion: The results showed that alpha, beta and theta indices could be suitable indicators for evaluating mental fatigue. Also, mental fatigue can be one of the factors that affect the accuracy and performance of individuals, so that it can reduce their attention and efficiency.
Alireza Ghorbanpour, Shahnaz Tabatabaei, Reza Gholamnia,
Volume 7, Issue 3 (11-2019)
Abstract
Background and Objectivse: The employees of an industrial sector, especially the food industry, tackle many problems due to their type of job. Among these staff, non-standard working postures is known as a risk factor for musculoskeletal disorders. Musculoskeletal disorders affect the function and self-efficacy of these people and ultimately leads to a reduction in their performance. Therefore, in this case, research entitled: Study of risk factors of the ergonomic work environment and its relation with self-efficacy and job performance of employees of the food industry has been done.
Methods: A total of 202 people were selected as the sample group using a random sampling method. Then they completed the research questionnaires. The research tools consisted of Paterson's job performance questionnaire, Scherer general self-efficacy, Key Indicator method and a five-point body map questionnaire for assessing body organs discomfort and prevalence. Data was analyzed using SPSS 19.
Results: There was a significant difference between the level of risk of musculoskeletal disorders and their job performance and between the risk of musculoskeletal disorders and the prevalence of musculoskeletal disorders. The lower back showed the highest prevalence of musculoskeletal disorders. There was a significant difference between the levels of risk of musculoskeletal disorders with job performance and also between musculoskeletal disorders with job performance and self-efficacy. The results showed a positive and significant relationship between job performance and self-efficacy.
Conclusion: The results indicated the role of self-efficacy in preventing behaviors that lead to exacerbation of musculoskeletal disorders. This will ultimately be reflected in their job performance and both the individual and the organization concerned. Also, employing high self-efficacy staff can improve work performance and productivity and contribute to better production processes.
Yadollah Hamidi, Shahla Shaterabadi, Ali Reza Soltanian,
Volume 7, Issue 4 (2-2020)
Abstract
Background and Objectives: One of the major challenges that managers face in competitive organizations is the improvement of the performance and productivity of the organization and understanding the factors affecting them. The promotion of the organizational performance requires managers to focus on the organizational justice and employees’ motivation at work. The purpose of this study is to determine the relationship between organizational justice and organizational performance in the Health Center of Kermanshah Province.
Methods: The present work was a descriptive-analytic and correlation study. This study was performed on 166 employees of the Health Center of Kermanshah in summer 2019, selected by random sampling. Data were collected using two standard questionnaires: the organizational justice of Nihoff and Morman (1993), and the organizational performance of Hersey and Goldsmith (1980). Reliability of the questionnaires was assessed by the pilot study and Cronbach's alpha coefficient. Data analysis was performed using SPSS 16 software.
Results: The results showed that the average scores of the organizational justice and the organizational performance are 54.84± 16.92 and 140.54± 18.66, respectively. According to the results of Pearson correlation coefficient, there is significant relationship between the organizational justice and its dimensions with organizational performance (P<0.001). However, the procedural justice has the more potential to predict the organizational performance.
Conclusion: The organizational justice is an important variable, strongly affecting the organizational performance. Therefore, managers need to pay particular attention to the justice as an important motivating factor for employees in order to improve the organizational performance and productivity.
Reza Shahidi, Rostam Golmohammadi, Zahra Pirmoradi Rizevandi, Azar Soltani, Nassrin Shirmohammadi Khoram, Reza Kazemi,
Volume 8, Issue 1 (5-2020)
Abstract
Background and Aim: Undesirable lighting at work environment causes visual and non-visual effects on employers. The aim of this study was to compare the quantity and quality of combined and artificial lighting in daytime and its relationship with the indexes of mental performance.
Methods: This study was carried out at 65 rooms and on 81 employees randomly selected from different clusters. Measurement of lighting parameters was done using a spectrometer. To assess the cognitive function, the Pshycomotor Vigiliance Task (PVT) test and for the sake of visual comfort, alertness and sleep quality, the Conlone, KSS (Karolinska Sleepiness Scale) and PSQI (Pittsburgh Sleep Quality Index) questionnaires were used respectively.
Results: Most artificial sources used in the rooms included fluorescent lights in different shapes and colors. The average indexes of combined lighting was more than artificial lightings (P<0.001). Visual comfort was correlated with high color temperature (P=0.006, r = 0.315). The employees with natural lighting had less visually impairment. The sleep quality of the subjects was related to the type of work environment lighting (Chi2=0.59, P=0.44). Alertness of subjects exposed to high color temperature or natural light was better at 8 and 11 hours. The results of cognitive performance test showed no significant difference between different lighting conditions.
Conclusion: Using natural light or artificial lights with adequate illuminance and high correlated color temperature can increase the alertness and visual comfort to some extent and improve the sleep quality of day staff employers.
Mojdeh Shakari, Ghlamreza Shabani Bahar, Majid Solimani,
Volume 8, Issue 2 (6-2020)
Abstract
Background and aim: Nowadays performance management is used to make organizational agility and improve organizational architecture. The purpose of this study was to determine the effect of organizational architecture on performance management with the mediating role of organizational agility of physical education departments of country's medical science universities.
Methods: The method is a descriptive-survey research and operational and applied in terms of purpose. The statistics of this study included all senior managers and staff of physical education departments in medical universities throughout Iran, selected as a statistical sample for a total of 216. Data collection tools were organizational architecture questionnaire, Baldrige performance standard questionnaire and Sharifi organizational agility questionnaire. In order to analyze the research findings, path analysis and structural equations and SPSS 20 were used.
Results: It showed that organizational architecture and its dimensions have a significant effect on performance management with the mediating role of organizational agility of physical education departments in medical universities of the country. The magnitude of the effect of the mediating variable using VAF was 0.228 and according to the magnitude of the direct effect of the independent variable on the dependent which was equal to 0.799, it can be said that the magnitude of the direct effect is greater than the indirect effect.
Conclusion: In modern performance management, the aims of staffs and the purposes of the organization should be aligned and by creating coordination and providing the necessary guidance by supervisors, people feel more belonging to the organization and make the organization more agile by organizational changes.
Azizeh Pashaei Yousef Kandi, Mohammad Hassani,
Volume 9, Issue 2 (10-2021)
Abstract
Background & Objectives: Nurses, as the largest source of manpower, have a special place in medical affairs and their performance is defined as an effective activity with direct patient care, so it is necessary to study the factors affecting their performance. Therefore, the aim of this study was to investigate the role of work-related psychological components in relation to organizational factors affecting nurses' job performance.
Methods: This research is a descriptive-correlational study of structural equations according to the data collection method. The statistical population of the present study includes all nurses of Seyed Al-Shohada (AS) Hospital in Urmia, Iran (n=265). Using Krejcie and Morgan table, 155 people were selected as a statistical sample using the Relative stratified random sampling method. A questionnaire was used to collect information and after calculating the validity and reliability of the instruments, descriptive and inferential analysis of the data was performed using SPSS 22 and PLS 3 software.
Results: The results of data analysis showed that organizational values, communication satisfaction and charismatic leadership with t-values greater than 1.96 (P value<0.05) mediated by psychological factors have a positive and significant effect on nurses' job performance.
Conclusion: Values, goals, leadership, and communication are factors that go beyond a specific situation and create a sense of satisfaction and performance improvement. Managers increase the ability and capability of nurses by clearly explaining the goals and creating a suitable atmosphere for expressing views, by participating in the affairs of the sense of commitment and ownership, and by holding training courses, and provide the possibility for improving their performance.
