IQ = 100
This document discusses theories of intelligence and psychological assessment. It begins by defining individual differences and explaining that psychologists study variability in physical and psychological traits. It then discusses two views on what influences behavior - personal traits or situational factors. Next, it defines assessment and describes informal and formal methods. It provides examples of psychological attributes assessed, like intelligence, aptitude, interests, and personality. Finally, it summarizes several theories of intelligence, including psychometric, information processing, and multiple intelligences approaches.