Construction, Validity and Reliability of Learning Style Inventory Dunn and Dunn (IGPDD)

This study seeks to develop and acquire content validity and reliability of the Inventory of Dunn and Dunn Learning Styles (IGPDD). IGPDD questionnaire aimed to measure the learning styles of Form 2 students. Fundamental theoretical construction covers five aspects. IGPDD is produced by Model Dunn and Dunn Learning Styles. IGPDD contains 60 positive items which is divided into five sub-scale of the sub- scale 1: Environment (12 items), subscale 2: Emotions (12 items), subscale 3: Sociology (12 items), subscale 4: Physiology (12 items) subscale 5: Psychology (12 items). IGPDD content validity evaluated by nine experts comprising academics of lecturers from the Faculty of Guidance and Counseling, Sultan Idris Education University, Tanjung Malim, Perak, school counselors and school teachers . IGPDD gained high validity for overall which is 8.35 (83.5%) and for sub scale of Environment (80.1 %) , Emotion :8.16 (81.6 %) , Sociology :7.91 (79.1 %) , Physiology :8.55 (85.5 %) and Psychology 9.18 (91.8 %). Reliability analysis also showed high level of reliability which is .750, while subscale analysis showed moderate and low moderate where Environment subscale was .552, Emotion: .605, Sociology: .579, Physiology: .628 and Psychology: .625. By this result, it shows that this research was successful generate IGPDD questionnaire with good value of reliability and validity for use in schools. The findings are important to know the information related to the learning styles of the most sought after by every student in order to enhance the quality of learning and teaching process.