روایی و پایایی مقیاس‌های اصلی و تلفیقی سیاهه‌ کروی فردی (فرم فعالیت‌ها؛ بخش باور به مهارت‌ها) در سنجش رغبت‌های شغلی دانش‌آموزان

The purpose of this study was to ascertain the validity and reliability of the original and extension scales (activities form: section beliefs about skills) of individual spherical inventory (pgi) in khorramabad students. therefore 300 high school students (150 males and 150 females) were randomlysekected and were asked to complete the individual spherica inventory and betz beliefs about skills inventory. the results showed that the distribution of the histograms were visually normal with regard to the following scales: basic scale (social services, data processing, worker, mechanic), high prestige (social sciences, business systems, financial analysis), lower prestige scales (quality control, manual labor), the six scales (realistic, investigative, artistic), the four scales (things and data) and the three scales (scale of people / things). high reliability was observed for all scales of the individual spherical inventory according to cronbach's alpha. most scales had acceptable validity. there were significant correlations between the scalesand betz beliefs; (artistic, social services r= .5 ;p= .001), (scale nature , investigative r= .71, p=.001) ( helping , artistic r=.67,p= .001), ( helping with social r= .63, p= .001), (scale influence with artistic r= .69, p= .001), (scale realistic with sciences r=.71, p= .05) and (financial analysis with conventional r= .6, p= .001).keywords: individual spherical inventory, spherical form lists individual activities, activity competence beliefs, reliability and validity, high school students