Sensitive periods are genetically preprogrammed blocks of time during which children are most readily able to master certain tasks
Indicate whether the statement is true or false
True
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To obtain data in a survey, a mailed questionnaire has been used. Would you advise the researcher to follow up some of those in the sample who failed to respond to the questionnaire?
a. Yes, a large sample will avoid bias. b. Yes, the respondents may differ from non-respondents. c. No, delayed returns would be of doubtful value. d. No, a certain loss of respondents is expected.
Explain how unsystematic observations may lead to false conclusions
What will be an ideal response?
Quantitative measures can be
A. discrete data. B. continuous data. C. both discrete data and continuous data.
James has a lot of extrinsic motivation. Which of the following statements likely describes James?
a. His parents, his sister, and a coach from his high school cheer him on to be successful in his school work. b. His family is not involved in his education. c. He had good grades in high school so he feels certain he will be successful in college. d. None of the above