Development and Validation of Practical Skills Rating Instruments for Technical College Students in Nigeria

Abstract

This study was designed specifically with the major purpose of developing and validating an instrument for rating students’ practical skill performance in trades in technical colleges. The study answered five research questions and tested two hypotheses. Practical skills from the National Technical Certificate (NTC) curriculum were identified for which test items were generated. The population for the study comprises 276 teachers in technical colleges. Mean, Grand Mean, Standard Deviation, Cronbach Alpha, ANOVA and Scheffe‘s Multiple Range test were employed for analysis of data. Results of the data analysis showed that twenty two items of the developed practical skill rating instrument were adjudged suitable to be used for assessing students practical skill performance in technical colleges. The instrument was satisfactorily valid as it possessed a high content and face validity. The reliability of the whole instrument was found to be 0.89 and adjudged reliable. Recommendations were made.