Dr. Manquero forms the hypothesis that ingesting chocolate prior to an exam will improve exam performance. She gives half of her participants chocolate and the other half gum. She then gives the participants an exam. In this experiment, what is the dependent variable?
a. the group that chews gum c. the group that eats chocolate
b. the performance on the exam d. whether they eat chocolate or chew gum
B
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People tend to eat more when there are a variety of different foods offered at a meal. This is because the wide variety prevents:
a. operant conditioning b. classical conditioning c. orienting d. habituation
Piaget believed that newborns came into the world with ______.
a. complex cognitive structures b. only a few simple reflexes c. well-developed perceptual abilities d. short-term and long-term memory structures
Dr. Schwartz is assessing Matteo's physical reactions to stimuli such as bright lights and loud sounds. This is called a(n) ___________
a. projective test b. psychological measure c. intercoder measure d. physiological measure
The basic template for the development of the human body is
a. female. b. male. c. both male and female. d. androgynous.