What causes a person to be gay or lesbian?
a. genetics
b. biology
c. environment
d. the cause is still unknown but probably a variety of factors
d. the cause is still unknown but probably a variety of factors
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Subtests are to index scores as index scores are to
a. FSIQ b. IQ c. WISC d. WAIS
Donna is captain of her HS swim team, works out regularly, and is very concerned about being in good shape. She occasionally goes off by herself and eats a half-gallon of ice-cream, but then forces herself to vomit afterwards. What condition does Donna likely have?
a. anorexia nervosa c. dementia b. bulimia nervosa d. obesity
Which of the following is NOT TRUE concerning infants' understanding of liquids and solids?
a. By 5 months, infants are surprised when shown a "solid" being poured from one cup into another and when shown a "liquid" being slid from one cup into another. b. By 5 months, infants understand that solids keep their shape when moved, but that liquids do not. c. By 5 months, infants are capable of noticing the characteristic differences between the movement of liquids and solids. d. By 5 months, infants believe that both liquids and solids can be carried in containers that holes.
Psychologists and epidemiologists would agree that which type of study is the most desirable design, the "gold standard" of scientific research?
A) Case-control study B) Randomized placebo-controlled double-blind trial C) Natural experiment D) Correlational study