This paper presents a research investigating the effects of personality types and learning performance of student who learned introductory programming through content sequencing of web-based intstruction (WBI).A controlled laboratory experiment was conducted with the aim to understand whether personality types affect learning performance when students use the content sequencing system.Thirty eight first semester's students who enrolled in information technology (IT) program in a higher learning institution in Malaysia voluntarily participated in this study.Statistical analysis on the data from the experiment revealed interesting findings about the effect of personality on learning performance.This finding is discussed in relation to personality model for adaptive WBI
