Assigning equal numbers of men and women to each experimental condition is an example of:
a. random assignment.
b. counterbalancing.
c. proportional assignment.
d. an equating procedure.
D
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Eating disorders
a. most commonly affect women in their 30s when they start to gain weight after having children. b. are more prevalent in females because of biological factors. c. develop in about 2% -3% of young women for bulimia and 1% for anorexia. d. about equal amounts of men and women develop an eating disorder now that we diagnose it more accurately.
Experts are always faster and use more rules than novices.
Answer the following statement true (T) or false (F)
The __________ states that we see an object's size as constant even if the object's distance from us changes.
A. law of size constancy B. visual angle theory C. retinal image theory D. Ames Room theory
Three-month-old Huey accidentally kicked his mobile, producing music. Huey then repeatedly kicked his leg to reproduce the effect, gradually forming a new “kicking” scheme. Huey’s behavior indicates that he has attained which of Piaget’s
sensorimotor substages? A) 1—reflexive schemes B) 2—primary circular reactions C) 3—secondary circular reactions D) 4—coordination of secondary circular reactions