A recipe requires 10 grams of salt. According to Weber's constant for saltiness, which is 1/5, how much more salt must a chef add to make the recipe noticeably saltier?
a. 1/5 of a gram b. 2 grams
c. 5 grams
d. 10.5 grams
e. 1/5 of a gram squared
b
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Külpe's method emphasized all of the following except ____
a. ?subjective reports b. ?qualitative reports c. ?after-the-fact questions to direct observers' attention d. ?investigating unconscious processes e. ?having subjects perform a complex task
The general statistical analysis that enables us to model relationships in data and test for treatment effects is ____
a. ANOVA b. regression c. ANCOVA d. Pearson's correlation
The psychoanalytic model holds that abnormal behavior is the result of ______
a. learning c. unconscious conflicts b. biology d. biochemical imbalances
On average, behavioral-genetic studies estimate the heritability of intelligence to be:
a. about .90. b. about .20. c. low at all ages. d. higher for adults than for children.