In distribution-free tests, you usually reject the null hypothesis when the obtained value is smaller than the critical value
Indicate whether the statement is true or false
TRUE
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Steiner’s “law” of group productivity assumes that you must consider ___ to predict a group’s actual performance level.
a. losses due to faulty process b. the personalities of the group members c. the performance of other groups d. the extent to which the group functions as a team e. communication, leadership, and motivation
By videotaping a young child and then letting the child see the video on television, you would be testing for
a. social referencing. b. animism. c. conservation. d. self-recognition.
Which of the following statements is supported by research on child care in infancy?
A) The rate of insecurity is equal among infants who do and those who do not attend child care. B) U.S. child care is nationally regulated. C) Mother–child interaction is more favorable when children spend fewer hours in child care. D) Child care alone contributes to attachment insecurity.
Critics of psychoanalytic personality theory note its failure to
a. be able to predict future behavior. b. provide a role for biological instincts in personality development. c. explain psychological events after they have occurred. d. emphasize the importance of human sexuality.