Validity and reliability of knowledge, attitude, and practice questionnaire about thalassemia
Purpose: This study aimed to test the validity and reliability KAP questionnaire toward Thalassemia and measure Instagram's effectiveness as media education related Thallasemia among medical students.
Methods: We utilized a quasi-experiment design type one group pre-post test. Validity was determined using content validity and construct validity, while reliability was assessed using Cronbach’s alpha.
Results: The result showed 17 knowledge items retained after item analyses with acceptable validity and reliability. The analyses of attitude and practice items with corrected-item total correlation showed attitude and practice item need for a revision because of that score below <0,249. Cronbach's alpha as the questionnaire's reliability was 0,8 for knowledge, -0,008 for attitude, and 0,266 for practice. The study showed that Instagram was useful as education media about Thalassemia.
Conclusion: The final instrument consists of 17 knowledge items with validity and reliability for students toward Thalassemia. Instagram, as media education was useful toward Thalassemia.