Quality of Psychology Test Between Likert Scale 5 and 6 Points
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Copyright: © 2020 Rungson Chomeya. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Problem statement: The purposes of this research were (1) to study the quality evaluation psychology test Likert's scale 5 and 6 points (attitude test, locus of control test and achievement motive test) focusing on construct validity, discrimination and reliability, (2) to compare the study of quality psychology test between Likert's scale 5 and 6 points and (3) to compare the study for personal decision making level between Likert's scale 5 and 6 points. Approach: The subjects were 180 (60 for each test) undergraduate students from Mahasarakham University who were selected by purposive sampling. Results: The research tools were attitude test, locus of control test and achievement motive test comprised of measurement patterns developed for different variables. Means, standard deviation, Factors Analysis, Alpha Coefficient and t-test were used for data analysis. Conclusion/Recommendations: The research revealed that (1) higher component and Initial Eigenvalues cumulative percent of psychology test Likert's scale 5 and 6 points, but psychology test Likert's scale 6 points had more higher trend of discrimination and reliability than Likert's scale 5 points, (2) construct validity, discrimination and reliability among Likert's scale 5 and 6 points were compared. It was found different reliability at 0.05 level on achievement motive test only and (3) personal decision making level psychology test among Likert's scale 5 and 6 points was different at 0.05 level.
- Quality of test
- psychology test
- Likert’s scale