adel mokhberi; fariba dortaj; ali dorekordi
Volume 1, Issue 4 , July 2011, , Pages 1-21
Abstract
The current investigation has been done for the purpose of the standardization of the social problem solving inventory (SPSI ) amongst students of the faculty of Psychology & Educational Sciences of Tabatabaey university in 1387-88. For this purpose, a sample of 200 students consisting 154 females ...
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The current investigation has been done for the purpose of the standardization of the social problem solving inventory (SPSI ) amongst students of the faculty of Psychology & Educational Sciences of Tabatabaey university in 1387-88. For this purpose, a sample of 200 students consisting 154 females and 46 males was selected based on categorical sampling, and the students were tested according to the social problem solving inventory ( SPSI) and social adjustment micro-scale of the adjustment questionnaire. Results showed that considering the Alfa value ( 0.85 )of the five factors measured, and the reliability value ( R = 0.88 ), the SPSI enjoys an acceptable rate of reliability. What’s more, the study of the factorial structure signifies the presence of 5 factors including ( APS ), ( RPS ), ( ICPS ), ( PPO ) and ( NPO ). Moreover the exploratory study of the relationship between the variables of the investigation showed that social problem solving ability would explain significantly social adjustment (R=0.304). In general, the results found in regards to the managing structure of the SPSI and the relation between the variables of the investigation, proved consistent with the precedent studies.
parvaneh kadivar; zahra tanha; mehdi Arabzadeh
Volume 1, Issue 4 , July 2011, , Pages 73-88
Abstract
The The investigation of psychometric properties of epistemological belief scale in mathematics including reliability, validity and exploratory factor analysis was the purpose of this study. To achieve this end 464 university students (149 famales and 315 males), were selected through cluster rom sampling. ...
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The The investigation of psychometric properties of epistemological belief scale in mathematics including reliability, validity and exploratory factor analysis was the purpose of this study. To achieve this end 464 university students (149 famales and 315 males), were selected through cluster rom sampling. The exploratory factor analysis were investigated through principal component method, this analysis confirmed six factors ( difficult problems, steps, understanding, word problems, effort and usefulness).To reach the concurrent validity of the scale, Schommer epistemological beliefs scale and Kloosterman and stage scale were conducted. The results of the analysis were acceptable. Test- retest reliability and internal consistency of the cronbach scale through, alpha coefficients confirmed. The results of factor analysis, conducted in the main culture and previous validity- reliability coefficient were closed to the studies. A psychometric property, of this scale allows applying to mathematical epistemological beliefs research.
Masoud Hosseinchari; Hossain Davoudi; Haydar Ali Hooman; Hassan Pasha Sharifi
Volume 1, Issue 3 , April 2011, , Pages 1-20
Abstract
he present research is mainly focused on how to standardize and prepare a short form for MMPI-2 questionnaire among Iranian university students. The sample consists of 3578 college students (1763 male and 1815 female) at different educational levels (AA, BA, MA, and PhD) from eight provinces, who were ...
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he present research is mainly focused on how to standardize and prepare a short form for MMPI-2 questionnaire among Iranian university students. The sample consists of 3578 college students (1763 male and 1815 female) at different educational levels (AA, BA, MA, and PhD) from eight provinces, who were selected via multistage cluster sampling procedure. An Iranian and shortened version of MMPI-2 consisting of 370 questions was used. To investigate the construct validity of Iranian Shortened Version of MMPI-2, and to evaluate its reliability the principal components factor analysis and Oblimin oblique rotation was used. Results showed that Cronbach's Alpha coefficient as an index of reliability was 0.84 at first. This coefficient was increased to 0.96 through the omission of some questions with a weak co-efficient correlation. Among the remaining 156 questions, thirteen factors were extracted using factor analysis, Oblimin oblique rotation, skewing diagram and explained variance percentile. These factors, as a whole, explained 40.15 percent of the total variance of the variables. The naming of the factors was according to the original MMPI-2 including: Psychasthenia (PT), Frequency (F), Hypomania (Ma), Schizophrenia (Sc), Correction (K), Hypochondriasis (Hs), Hysteria (Hy), Paranoia (Pa), Depression (D), Lie (L), Psychopathic deviate (Pd), Social introversion-extroversion (Si), and Masculinity-Femininity (Mf). General findings indicate that the shorted form of MMPI-2 qualifies psychometric properties for clinical use and research activities in Iranian culture, especially in university settings.
Moustafa Nickname; Ali Taghipour Zahir; ali delavar; Mohammad Ghafary Mojalaj
Volume 1, 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 ...
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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 Organizational Innovation. The internal consistency coefficient (Chronbach, s alpha) for Questionnaire Assessing Organizational Innovation obtained 0.83. This was relatively high level of Chronbach. S alpha showed relatively high level of reliability. Correlation results among Questionnaire Assessing Organizational Innovation subscales showed convergence at measurement of single phenomenon. The positive correlation of the Questionnaire Assessing Organizational Innovation showed opportune convergent validity.
Firouzeh Sepehrian
Volume 1, Issue 3 , April 2011, , Pages 1-15
Abstract
he purpose of this study was to prepare a primary scale which can be used in further extensive studies for preparing normative scale to assess enneagram personality types of Iranian university students in relation to native culture. To achieve this aim, at first, all subjects participated in enneagram ...
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he purpose of this study was to prepare a primary scale which can be used in further extensive studies for preparing normative scale to assess enneagram personality types of Iranian university students in relation to native culture. To achieve this aim, at first, all subjects participated in enneagram training class for ten sessions and we deeply surveyed the Riso- Hudson enneagram. Then, questions based on native culture and enneagram theory were developed. This scale was administered to 20 university students. The results of this pilot study demonstrated that certain questions need be changed and some should be deleted. This scale and RHETI test were simultaneously administered to 110 university students. The subjects were randomly selected from Oromiyeh University. The data were analyzed using mean, standarddeviation, Cronbach, s alpha, KMO, Bartlett, Confirmatory analysis, principal component analysis with Varimax rotation and Pearson correlation. The findings proved that this scale can have some useful applications.
ali mohammad zadeh; mahmud najafi
Volume 1, Issue 2 , January 2011, , Pages 117-130
Abstract
The Big Five Inventory (BFI-10) is a shorter, 10 item version of the BFI. It was designed to be used when time limitations in a research protocol does not allow using the longer BFI. It measures personality in one minute or less. In this report, we evaluate 10-item measures of the Big-Five personality ...
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The Big Five Inventory (BFI-10) is a shorter, 10 item version of the BFI. It was designed to be used when time limitations in a research protocol does not allow using the longer BFI. It measures personality in one minute or less. In this report, we evaluate 10-item measures of the Big-Five personality dimensions. The current study was conducted in survey and cross sectional as well as ex-post facto research context. A group of 317 randomly selected normal participants took part in this research. Principal component analysis extracted five factors which were labeled big five traits. However, for this scale other type of validity (convergent validity) and three reliabilities (test, retest, split half and internal constancy) were reported. The factor analysis and validity reliability coefficients demonstrated the same factor structure that previously found. Based on these results, it was concluded that BFI-10 contain good validity and reliability in Iranian population and it can be used, as valid measure in personality screening studies.
fariborz nikdel; parvin kadivar; valliollah farzad; yousef karimi
Volume 1, Issue 1 , October 2010, , Pages 1-23
Abstract
The Purpose of the present study was to examine the psychometric properties of perception of classroom questionnaire, developed by Fraser, Fisher, and McRobbies (1996). 830 high school students in Tehran city were randomly selected to participate in the study. Cronbach Alpha coefficient and factor analysis ...
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The Purpose of the present study was to examine the psychometric properties of perception of classroom questionnaire, developed by Fraser, Fisher, and McRobbies (1996). 830 high school students in Tehran city were randomly selected to participate in the study. Cronbach Alpha coefficient and factor analysis were used to determine the psychometric properties of the questionnaire. The results were coherent with Fraser, Fisher and McRobbies (1996) and Dorman (2009) revealed that the questionnaire have an acceptable consistency. Cronbach Alpha coefficients for subscales were between 0/79 to 0/90. Meanwhile, the results of the exploratory and confirmatory factor analysis revealed that the structure of the questionnaire have an acceptable fit to the data. Further, the questionnaire is a valid and reliable instrument to measure students' perception of classroom
akbar rezaee
Volume 1, Issue 1 , October 2010, , Pages 1-16
Abstract
The Schommer’s epistemological beliefs questionnaire is regularly used in studies on epistemological beliefs. However, many researchers pose some questions about the appropriateness of this instrument. The present study has been taken with the goal of investigating the reliability and factor structure ...
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The Schommer’s epistemological beliefs questionnaire is regularly used in studies on epistemological beliefs. However, many researchers pose some questions about the appropriateness of this instrument. The present study has been taken with the goal of investigating the reliability and factor structure of schommer’s epistemological beliefs questionnaire (1990). To do this, the questionnaire was translated into Persian (Farsi). Then, it was retranslated into English and compared with the original version to find and correct the gaps between the translated version and the original version. After the pilot study and resolving the possible mistakes, the final questionnaire was implemented for sample group consisting of 518 students studying in different fields in Tabriz Payame Noor University (302 students from humanities and 216 students from basic sciences).Cronbach Alpha calculation showed that none of reliability coefficients of sub-scales are acceptable. So, factor analysis was applied in this study to examine the construct validity and to reach an optimal factor structure. Before factor analysis of data, internal consistency was calculated for 63 questions. 27 questions due to under .10 and negative correlation between item-total score test were deleted from subsequent analyses. Using Principal Component's method, factor analysis was performed on 36 remaining questions. Investigatng of Scree plot of primary analysis showed two-factor solution. In order to achieve a two-factor structure, the analysis of Principal Components was done using Promax rotation method. 20 questions, due to factor load below .35 or due to meaningful and equal load on more than one factor in several rotations was deleted. Final analysis showed loading of the remained 16 questions on two factors. These factors were nominated according to content of the questions covered by simple/absolute knowledge and fast/fixed learning.Calculation of Cronbach Alpha coefficient showed that the reliability of two obtained factors is acceptable
