This is the perceived motion of a stationary dot of light in a totally dark room that was used to study the formation of group norms by Sherif:
What will be an ideal response?
autokinetic effect
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The estradiol normally found in the bloodstream of a female rat fetus neither masculinizes nor feminizes its development because it ____
a. is chemically converted to testosterone b. is prevented from entering the developing cells c. is chemically unstable at the body temperature of a fetus d. would have no effect on cells even if it did enter them
Devin is a cheerful nine-month-old infant who wakes up every day at 5:30 a.m., eats lunch every day at noon, and goes to bed at 9 p.m. He gets fussy in the afternoon but can usually be lulled to sleep. As most babies classified by temperament pattern, he would most likely be classified as ____.?
a. ?slow-to-warm-up b. ?fast-to-warm-up c. ?easy d. ?difficult
Compared to holding a conversation while driving, using a cell phone while driving:
a. is more disruptive b. is less disruptive c. is no different in its effect d. actually improves one's driving
Motor development during infancy tends to follow two main guidelines: the _____ rule, whereby motor skills develop from the head to the feet, and the _____ rule, whereby babies learn to control body parts closest to their trunk before moving to the periphery (e.g., hands and feet).
A) cephalocaudal; bipedal B) cephalocaudal; proximodistal C) proximodistal; cephalocaudal D) bipedal; proximodistal