During a research study, a snack manufacturer observes that he must increase the salt content of his company's chips by at least 3% for research participants to notice that the chips are saltier than they were before. This scenario best illustrates the concept of a(n)
A. adaptation threshold.
B. difference threshold.
C. frequency threshold.
D. absolute threshold.
Answer: B
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The mortality rate for girls with anorexia is
a. 1-2%. b. 2-3%. c. 4-5%. d. 6-7%.
Orlando is in a bad situation and has made a threat appraisal. What will he do next?
a. Make a secondary appraisal. b. Try to increase his sympathetic response. c. Decide to escape from the situation. d. Make a challenge appraisal.
A scientist, conducting a research study on sleep and learning, questions her own objectivity and decides to let a third person, not associated with conducting the experiment, score the tests. The scientist is probably trying to eliminate ______ bias
a. experimenter b. sample c. control d. treatment
In Mr. Naffie's Vygotskian classroom, he guides children's learning with explanations, demonstrations, and verbal prompts, tailoring his interventions to each child's zone of proximal development. This is an example of the Vygotskian principle of
A) peer collaboration. B) discovery learning. C) independent exploration. D) assisted discovery.