Which one of the following is used to provide an index of the strength and direction of the linear relationship between the two sets of scores?
A. coefficient alpha
B. correlation
C. KR-20
D. Spearman Brown
Ans: B
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Which of the following is not a secondary drive?
a. a drive for high levels of achievement b. a drive for sexual activity c. a drive for great wealth d. a drive to be successful in school
Generalizing from data presented in the text, which of the following children would have the greatest chance of suffering from asthma?
a. Linnea, a middle-class white girl who lives in northern Minnesota b. Rollin, a poor African American boy who lives in St. Louis, Missouri c. Jose, a Hispanic middle-class Hispanic boy who lives in rural California d. Jeff, a poor white boy who lives on a farm in New York state
Janeece is aware of her emotions and can cover up negative emotions in social situations. Research has shown that Janeece may be LESS competent at
A. coping with her emotions. B. managing her emotions. C. communicating her emotions. D. None of these choices are correct.
Which age group in the entire life span has the lowest BMI?
a) 1- to 3-year-olds b) 3- to 6-year-olds c) 6- to 10-year-olds d) 11- to 15-year-olds