Answer to Question 1
First issue underlying components and mechanisms of intelligence (sensory, perceptual, associative, and relational knowledge); hypotheses vary from single competence to unique skills and talents; basic mental tasks, language, and higher-level skills; related to academic and occupational outcomes; also includes motivation
Second issue development of cognitive and intellectual functioning (interaction of tasks, contexts, and emotional states); follows a linear path (age-related trends related to cognitive development) and individual differences (intellectual development)
Third issue role of genes (50 of variation in intelligence is related to genetic make-up); brain structure and function is related to intelligence; environmental influences such as poverty and parental factors (stimulation, drug use, beliefs about education); sociocultural influences
Answer to Question 2
C