During middle childhood, children master many types of skills that earlier they could not perform well, such as riding a bike, ice-skating, swimming, and skipping rope, all of which involve ____________ skills

If you know that achievement is positively correlated with life satisfaction, then you can conclude that ____

a. one of two things MUST be true: either achievement causes life satisfaction OR life satisfaction causes achievement b. a third variable (such as commitment or passion) MUST cause both achievement and life satisfaction c. as achievement increases, happiness also increases d. the relationship between the two variables must be statistically significant

Interview assessment techniques for mood disorders and suicide can be an important observational tool beyond the questions and answers themselves, allowing the assessor to consider

a. the symbolic content of answers. b. nonverbal behaviors indicative of problems. c. a psychosocial index of confidence. d. a demonstration of the respondent's self-esteem level.