Suppose you are trying to persuade people to volunteer their time to help build houses this coming Saturday. Based on the commitment and consistency principle, which of the following represents the most effective strategy?
a. Leave a voicemail message describing the volunteer opportunity.
b. Ask people to write their name on the volunteer sign-up sheet.
c. Send people an email describing the volunteer opportunity.
d. Send people a letter and email describing the volunteer opportunity.
Answer: B
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Sapna is interested in the influence of nutrition on reaction time. She assigns participants to eat a salad and fruit for dinner every day for a week or to eat fast food each day. She then brings participants into the lab and asks them to push a button on a keyboard as fast as they can every time they hear a particular sound. What are the operational definitions of the variables in Sapna's study?
a. nutrition? reaction time b. nutrition? whether participants eat a salad or fast food c. whether participants eat salad or fast food? how quickly they push the button when they hear the sound d. whether participants eat salad or fast food? reaction time
Which example illustrates how a person might anticipate the challenges and roles of a future stage?
a. A teenager worries about taking a test. b. A preschool child pretends to get married and have a family. c. A middle adult women plans Thanksgiving dinner. d. A grandfather regrets not having spent enough time with his granddaughter.
Content validity concerns whether the test
a. measures the theoretical concept it supposedly tests b. measures the full range of behaviors represented by the concept c. correlates with other valid tests d. All of the these are true
She became the first female president of the American Psychological Association in 1905
a) Margaret Floy Washburn b) Francis Sumner c) Mary Whiton Calkins d) Christine Ladd-Franklin