Development of an Occupational Skill Inventory for Local People Who Need an Income Increasing at Sobprab District, Lampang
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Abstract
The aim of this study was to 1) develop and test the psychometric property of occupation skill inventory and 2) analyze the growth of occupational skills of local people at Sobprab district, Lampang. The design of this research was research and development. The procedure of developing scale and analyzing the growth of occupational skills appeared in three phases. Phase I: Creating an occupation skill inventory. Phases II: Developing and testing psychometric property of occupation skill inventory. Data were collected from 9 experts by using purposive selection and 30 local people by using simple random sampling. Phase III: Analyzing the growth of occupational skills of 45 local people that samples were selected by voluntary selection. Data were analyzed by using descriptive statistics include of mean, standard deviation, the content validity ratio (CVR) analysis, analysis of relativity by Cronbach's alpha tests, and also t-test. The results revealed that 12 items reached the criterion of content validity and had a great discriminant score to discriminate people who had an occupation skills difference. The initials evidence of the reliability of occupation skill score reported the moderate level with Cronbach alpha equal 0.63. Furthermore, the result of the growth of occupational skills revealed that the posttest score of occupational skills was significantly higher than the pretest score of occupational skills at the .05 level of significance.
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