Researchers must be careful to include participants in their studies who represent the entire possible distribution of performance on both the test and the criterion to avoid
a. practice effects.
b. multicultural bias.
c. restriction of range.
d. criterion contamination
c. restriction of range.
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Support for the idea of the "sociostat" (social thermostat) is provided by the finding that rats
a. tend to prefer to remain on their own once a period of isolation ends. b. are less likely to approach other rats after a period of prolonged contact. c. aggress against other rats when a shared resource is scarce. d. always prefer the company of other rats to being alone.
Who will experience the greatest visible distress in response to parental divorce?
a. Rhianna, who is one year old b. Latashia, who is three years old c. Sheyanne, who is nine years old d. Kellie, who is 14 years old
Preschoolers have a tendency to try to make up a reason why things that they see and hear occur. This tendency is known as
reversibility. focus on appearances. theory-theory. logical reasoning.
According to the article Love Makes the World Go ‘Round about male and female sexual psychology, the humans who are most likely to increase reproductive potential by multiple matings are:
(a) males (b) females