Arthropods have a nervous system that could be described as a
a) nerve net
b) centralised
c) unsegmented
d) associated
b) centralised
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An experimenter shows equal glasses of water, pours the water from one of them into a different-shaped glass, and asks whether the new glass has more or less water than before. What concept is the experimenter testing?
a. Conservation b. Theory of mind c. Object permanence d. Formal operations
One of the most difficult consequences of agoraphobia is that those who suffer from the disorder are often unable to
a. keep a job. c. make casual conversation. b. enjoy pets. d. use elevators.
Earlier reports found that compounds in human sweat have been shown to alter menstrual cycles, probably due to effects on a woman's ______, but they have been questioned on methodological grounds.
A. pheromones B. estrogen levels C. luteinizing hormone levels D. oxytocin levels
Nine-year-old Ryan thinks through a series of steps and then mentally reverses direction, returning to the starting point. Ryan is capable of
A) conservation. B) reversibility. C) decentration. D) seriation.