IB Psychology SL Paper 2 Key Terms

Biopsychosocial model

way of looking at health by looking at biological, psychological and sociocultural factors

PMOC gene

associated with appetite regulation

Disposition factors

influence a person’s actions or behavior

Type A vs. Type B personality

Type A-highly critical, tense, inflexible

Type B-flexible, easy-going, laid back

Optimism bias

makes people think they are at less risk of a bad event happening to them

Risk vs. protective factors

Risk factors-increase risk of mental disorders

Protective factors-lessen or eliminate risk of mental disorders

Ghrelin

hormone that regulates energy balance by stimulating hunger

Lipostatic theory

Some fat cells send messages to the brain to regulate body weight and food intake

Hyperphagia

no control over appetite and food consumption

Cognitive load

may impair decision-making skills

Repeated measures design

participants in a study go through all conditions in the study