The Development of the Oral Health Literacy Test in Grade 4-6 Students
The research aims to 1) design the oral health literacy test in grade 4-6 students, and 2) quality analysis of the oral health literacy test. The sample groups for the study are grade 4-6 students, 830 people in total. The oral health literacy test consists of 24 questions. The statistical used for evaluating the quality of the test are IOC index, cronbach's alpha coefficient Pearson's, correlation coefficient, confirmatory factor analysis, and Item Response Theory with Graded Response Model (GRM) using R Studio software. The results show the content validity of the research through 6 elements; 1) the accessibility of the oral health literacy 2) the understanding in the oral health literacy 3) the evaluation of the oral health literacy 4) the usage of oral health literacy 5) the communication with dental professions, and 6) the support from the society. The test gives the IOC index from 0.-1.0, cronbach's alpha coefficient equals to 0.94, the construct validity with the X2/df = 1.648, RMSEA = 0.046, SRMR = 0.059, and the test shows the criterion-related validity. The evaluation with Item Response Theory gives the slope parameter lies between 0.79 to 1.17 with the increase threshold parameter 1, 2, and 3 in every question, which implies the questions in the test are good in quality.
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