Volume 15 (2024)
Volume 14 (2023)
Volume 13 (2022)
Volume 12 (2021)
Volume 11 (2020)
Volume 10 (2019)
Volume 9 (2018)
Volume 8 (2017)
Volume 7 (2016)
Volume 6 (2015)
Volume 5 (2015)
Volume 4 (2013)
Volume 3 (2013)
Volume 2 (2012)
Volume 1 (2011)
A Comparison of the Multilevel Bayesian IRT Model and the Multilevel Classic Model: An Analysis of Advanced TIMSS Physics Test (2008)

jalil Younesi; farzad Eskandari; Ali Delavar; Mohammad Reza Falsafinezhad; Noor Ali Farokhi

Volume 5, Issue 15 , April 2014, , Pages 166-186

Abstract
  Background: Validity of the multilevel analyses with a focus on differences in learning theories (with both classis approach toward measurement and new approach toward measurement (IRT)) by means of various data has recently been studied. Aim: This study is aimed at determining the level of impact of ...  Read More

Internal Evaluation of Young Researchers Club of Islamic Azad University

mina tavangar rusta; ali delavar; yahyaa mohajer

Volume 4, Issue 13 , October 2013, , Pages 1-20

https://doi.org/10.22054/jem.2013.5668

Abstract
  Background: Young Researchers Club of Islamic Azad University plays a major role in Iran’s education system with the purpose of helping young Iranian talents to thrive and prosper, identifying young researchers, and supporting, fostering and guiding them in order to promote their knowledge and ...  Read More

Meta-Research: The Art of Correcting Others

farzaneh roai; ali delavar

Volume 4, Issue 13 , October 2013, , Pages 119-132

https://doi.org/10.22054/jem.2013.5673

Abstract
  Background: Meta-analysis is a strong approach, but sometimes leads to wrong and misleading answers. Objective: To conduct case studies of clinical trials and observed cases regarding factors that affect the credibility of meta-research, such as the effect size, the number of analyses, data scale, analyses’ ...  Read More

The psychometric properties of the general self efficacy scale among university staff

ali delavar; mahmud najafi

Volume 4, Issue 12 , July 2013, , Pages 87-104

Abstract
  background: researchers have suggested that the general self efficacy can substantially contribute to organizational theory research and practice. Therefore it is important to study the psychometric properties of schwarzer and jerusalems general self efficacy scaleamong staff of the state universities ...  Read More

Construction, Validity and Reliability of Organ Transplantation Attitude Scale in Iran

simin ronagi; ali delavar; mohamadali mazaheri

Volume 4, Issue 11 , April 2013, , Pages 77-99

Abstract
  Abstract Background: Considering the importance of studying the factors affecting organ transplantation in Iran, the present research aims at examining the factor structure, reliability and validity of the organ transplantation attitude scale. Method: The method of research was descriptive survey. ...  Read More

Comparison of Confirmatory Factor Analysis (CFA) and Item Response Theory (IRT)-Based Likelihood Ratio in Detecting Differential Item Functioning at High Stakes Tests

masoud gerami pour; mohamad reza falsafi nejhad; ali delavar; nour ali farrokhi

Volume 3, Issue 9 , October 2012, , Pages 105-122

Abstract
  Although numerous methods have been proposed for detecting biased items, but a few researches have empirically investigated the power and efficiency of these methods. The main goai of this research was to apply IRT-based likelihood ratio test and confirmatory factor analysis in detecting differential ...  Read More

Standardization and Normalization of Health-Concerns Questionnaire-54 (HCQ-54): A Case Study of Iranian Undergraduates at State-Run Universities of Tehran1

ali delavar; masoud baratian; hosey bajami; masumeh masudian

Volume 3, Issue 8 , July 2012, , Pages 1-38

Abstract
  The purpose of this paper is to standardize and normalize the health concerns questionnaire-54 (HCQ-54) to assess the health concerns of Iranian undergraduates at the state-run universities in Tehran, including University of Tehran, Tarbiat Mo'allem University, Allameh Tabataba'i University, Shahid Beheshti ...  Read More

Preparing and normalization of addiction potential scale among students of Tehran universities

parisa Dehkordian; ali delavar; hamidreza jali

Volume 2, Issue 6 , January 2012, , Pages 1-24

Abstract
  Backgrounds: Recent studies showed that beside the person with addiction great number of person are with personality in the risk of addiction, but the measurement of this characteristic in Iran needs to instrument that similar to culture of this country.  Objectives: The purpose of this study was ...  Read More

Construction and standardization of multidimensional anger scale in high school students

ali dellavar; raed parvaz; f Dortaj

Volume 2, Issue 5 , October 2011, , Pages 1-29

Abstract
  Background: Different ways to express anger and its consequences is allocated to a special place in fundamental and applied psychological research. Constructing and validating a useful scale to measure anger is also another important point.      Objective: The aim of this research ...  Read More

Meta Analysis of Anxiety and Depression Researches

farzaneh Roaei; ali delavar; noreali farokhi

Volume 2, Issue 4 , July 2011, , Pages 1-25

Abstract
  The current paper reviews the concept of meta analysis of Anxiety & Depression researches in 1363-1385 at University of Allameh Tabatabaei university , faculty of psychology and education science . The relevant controls were convenient  for the present research in order to study the aspect of ...  Read More

The role of motivational and attitudinal components on math achievement and compilation a structured model for first year high school students in Orumiyeh city

Azadeh Bolooki; ali delavar; Esmail Mam sharifi

Volume 2, Issue 3 , April 2011, , Pages 1-33

Abstract
  he present research aims to investigate the role of motivational and attitudinal components on math achievement and compile a structured model for first year high school students in  Urumiyeh city. The sample group comprised 300 first year high school students in Orumiyeh city. In order to gather ...  Read More

Study the validity and reliability of the Questionnaire Assessing Organizational Innovation

Moustafa Nickname; Ali Taghipour Zahir; ali delavar; Mohammad Ghafary Mojalaj

Volume 2, Issue 3 , April 2011, , Pages 1-20

Abstract
  he aim of this study is to study the of validity and reliability of the Questionnaire Assessing Organizational Innovation. The sample was a totall of 308 managers from educational administers in Tehran City. The results of this study showed that opportune reliability and validity for Questionnaire Assessing ...  Read More

Psychometric Characteristics of Specialized Items of Distance Education Psychology Examinations Held by Payame Noor University in 2006

jalil younesi; ali delavar; mohammad reza falsafi nejhad

Volume 1, Issue 2 , January 2011, , Pages 139-169

Abstract
  This study aims to investigate the psychometric characteristics of specialized items of distance education psychology examinations held by Payame Noor University in 2006. To do this, 2000-subject sample was randomly selected from among all those sitting for the distance education psychology exam. Then, ...  Read More

Construction and validation of Iran students' evaluation of educational quality

ali mohammad rezaee; ali delavar; hassan ahadi; fariborz dortaj

Volume 1, Issue 1 , October 2010, , Pages 1-25

Abstract
  The present research aims to construct Iran Students' Evaluation of Educational Quality of faculty and has been administered to measure it’s validity and reliability. 962 students were chosen from Tehran governmental universities in different humanities course of studies to complete the questionnaire. ...  Read More