The two main features of an experiment are ____
a. ?hypothesis formation and data collection
b. ?random assignment and control
c. ?prediction and manipulation
d. ?data collection and statistical analysis
ANSWER:
b
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Dr. Ivers works in a school district as a psychologist. What is she most likely to do in her work?
A. increase production B. improve job satisfaction among the staff C. conduct academic and career testing D. conduct therapy for those suffering from major psychological problems
Piaget believed that between the ages of 2 and 6, it is difficult for children to think:
subjectively. egocentrically. logically. abstractly.
Age equivalents, grade equivalents, and percentile scores all represent what type of scale?
a. Ordinal b. Nominal c. Ratio d. Interval
In this design, each participant or subject serves as his or her own control
a. between subjects c. within subjects b. between groups d. all of these