This study examines the differences between male and female adolescents and their maths study on their career aspiration. The study investigates the effect of grade point average and parents' educational level on adolescents reported career aspiration. A career aspiration scale is administered to 2717 students representing tenth and eleventh grades. The findings reveal females have higher scores on career aspiration than males. Students who study pure maths in their career path have higher score on career aspiration than those with applied maths. Results also show significant effects of parents' educational level and grade point average on adolescents' career aspiration. Suggestion is provided to consider contextual variables in designing interventions.
<p class="apa">The purpose of the present study is developing a test to measure the numerical ability for students of education. The sample of the study consisted of (504) students from 8 universities in Jordan. The final draft of the test contains 45 items distributed among 5 dimensions.</p><p class="apa">The results revealed that acceptable psychometric properties of the test; items parameters (difficulty, discrimination) were estimated by item response theory IRT, the reliability of the test was assessed by: Cronbach’s Alpha, average of inter-item correlation, and test information function (IRT), and the validity of the test was assessed by: arbitrator's views, factor analysis, RMSR, and Tanaka Index.</p><p class="apa">The numerical ability test can be used to measure the strength and weaknesses in numerical ability for educational faculty students, and the test can be used to classify students on levels of numerical ability.</p>
The aim of the study was to examine the psychometric properties and the differential items functioning of short version of Career Aspiration Scale (CAS) in a sample of 2700 of Omani high school students. The results of the total score of CAS showed acceptable internal consistency (Cronbach's α=0.67). An exploratory factor analysis yielded a support for nine items version identifying single construct. Differential item functioning (DIF) analysis confirmed that there were differences on five items concerning gender. DIF analysis performed according to grade showed that the functioning of CAS items was consistent in both grades except for item four. Suggestions were provided for further psychometric investigation of the scale.
<span lang="EN-US">This study examined the factor structure of the Organizational Health Inventory (OHI) scale among Omani teachers. There were four factors assumed to represent the OHI (principal influence, academic emphasis, morale, and initiating integrity). Testing the scale reliability was another aim of this study. A random sample (n=458) of Omani teachers was considered. The short version of the scale has 30 items. Exploratory and confirmatory factor analysis was performed on the sample data. The model is good fitted to the data. Across gender, the invariance of the structure was tested, and the parameters of the model were invariant. Consequently, the two genders were compared via multivariate analysis of variance (MANOVA) with gender as an independent variable and subscales. The female teachers were found to more likely show principal influence, academic emphasis, and morale than the male teachers, who instead, were more efficacious than the female teachers in dealing with institutional integrity.</span>
This study aimed to examine the effectiveness of person fit indices (Wright’s weighted index, Drasgow index and Almehrizi’s weighted index) in item response models with different degrees of item local dependence (0.0, 0.3, 0.6, and 0.9) using simulated item parameters. Item responses for 40 samples each with 10000 subjects (a total of 400000 subjects) were simulated on a test of 60 items. Item discrimination parameters ranged between 0.19 and 1.79 and item difficulty parameters ranged between -2 and +2. 20% of test items were manipulated to show local dependence for each level of local dependence degrees. Student ability was generated to follow a standard normal distribution. Assumptions of item response theory were examined in all data sets using exploratory factor analysis and residual analysis using NOHARM platform for unidimensionality and Q3 index for local independence. Results showed that there was an increase in the percentages of non-conforming persons when increasing the degree of items local dependence for the three person fit indices (Wright’s weighted index, Drasgow index and Almehrizi’s weighted index). Results showed also that the percentages of non-conforming persons were larger with Wright’s weighted index than with Drasgow index and Almehrizi’s weighted index. The distributional properties of the three indices showed relatively consistent in distributional properties. Drasgow index and Almehrizi’s weighted index were very similar distributional properties. Also, there was a larger agreement index between Wright’s weighted index and Drasgow index.
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