We examined the psychometric properties of a German translation of the Child Global Report version of the Alabama Parenting Questionnaire (APQ). A total of 1219 German school-children (644 boys and 575 girls), ages 10–14 years participated in the study. The APQ was subjected to exploratory and confirmatory factor analysis. Exploratory factor analysis produced five factors that were largely cons...

According to Cattell's [Cattell, R.B. (1987). Intelligence: Its structure, growth and action. New York: North-Holland.] Investment theory individual differences in acquisition of knowledge and skills are partly the result of investment of Fluid Intelligence (Gf) in learning situations demanding insights in complex relations. If this theory holds true Gf will be a factor of General Intelligence ...

background: in any research work the used tools to approach the designed project goals, should be evaluated. the purpose of the present study was to obtain validity and reliability of nutritional knowledge, illness perception and dietary adherence questionnaire. methods: the questionnaire of student ratings of teaching was evaluated in a descriptive study. in this study the views of 11 expert f...