Dr. Peterson is studying aggression in children and defines aggression as the number of times one child pushes or strikes another child. Defining aggression in this way would ________________
a. be an example of a hypothesis
b. represent an operational definition
c. violate ethical guidelines for psychological research
d. require a double-blind research design
Ans: b. represent an operational definition
Psychology
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Which gestalt principle refers to the perceptual rule that lines and other objects tend to be continuous, rather than abruptly changing directions?
a. Figure-ground b. Continuity c. Proximity and similarity d. Psychophysics
Psychology
The t distribution is similar in shape to the normal distribution, but is
A) larger B) less peaked C) more peaked D) skewed
Psychology