In experimental studies,
A) the investigator cannot make cause-and-effect inferences.
B) investigators must take special precautions to control for participants' characteristics that could reduce the accuracy of their findings.
C) the researcher directly controls or manipulates changes in the dependent variable.
D) researchers gather information on participants without altering their experiences.
B
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As children acquire representational skills, they gain the ability to
a. make their wishes come true. b. compare their performance to the performance of others. c. communicate about the past and create imagined experiences. d. move more freely in the environment.
The stimuli below are seen as one group of circles and one group of squares due to the organizational principle of
a. continuity. b. closure. c. similarity. d. nearness.
Several studies suggest that adolescents experience fewer negative emotions than children of other ages
Indicate whether the statement is true or false
Carla looked at a picture of herself and exclaimed, "That's me!" Carla's representation of herself as an object is called
a. categorical self. c. self-concept. b. perceptual self. d. self-awareness.