Expectations by the experimenter that might influence the results of an experiment or their interpretation are called __________.
A. experimental blinds
B. experimenter bias
C. sample bias
D. treatment bias
Answer: B
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In experiment brief 25, what could the researchers have done differently regarding
the design of their study? A) could have tested students compared to non-students B) could have tested football players C) could have tested and compared males versus females D) could have compared feedback to no feedback
When Teresa's mother hides her favorite doll under a blanket, Teresa acts as if it no longer exists and makes no attempt to look for it. Based on this information, you can infer that Teresa is in Piaget's
a. sensorimotor period of cognitive development. b. formal period of cognitive development. c. concrete period of cognitive development. d. preoperational period of cognitive development.