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Download full textKrishnan, Saras; Idris, Noraini – International Journal of Evaluation and Research in Education, 2018
In using the Rasch model to improve the quality of an instrument, analysis purports to determine if the sample collaborates well with the items in the instrument such that the results are measuring a single underlying variable. The relevant properties of Rasch analysis are reliability and validity which are key indicators of the quality of a…
Descriptors: Models, Item Response Theory, Construct Validity, Content Validity
Krishnan, Saras; Idris, Noraini – International Journal of Evaluation and Research in Education, 2015
Students' attitudes towards statistics have been more often negative due to many factors such as initial perception of the subject, low ability in mathematics and lack of motivation to study statistics. Studies involving SATS-36 included investigation of the different factors in relation to students' attitude towards statistics. Other studies have…
Descriptors: Student Attitudes, Statistics, Attitude Measures, Test Reliability
