If a psychologist is worried that a small sample will not reveal a real difference among groups, he or she might decide to increase the sample size. This concern is likely to be real when
a. the effect size is large.
b. groups are homogeneous.
c. other researchers have replicated earlier results.
d. participants are very different from one another on the behavior of interest.
D
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Infant mortality rate is defined as the percentage of infants who die a. before birth
b. during birth. c. before their first birthday. d. before their second birthday.
Mahatma Gandhi exemplifies Kohlberg’s stage 4 reasoning
Indicate whether this statement is true or false.
The sensory receptors for kinesthesis are located in the
a. tendons, muscles, and joints. c. bony frame of the body. b. semicircular canals. d. skin and hair.
When extinguishing an operant behavior, the immediate first effect on the frequencyof the
behavior is A) no change B) slow, gradual decrease (curve) C) sudden, permanent decrease (drop) D) sudden, temporaryincrease (burst)