Which one of the following is an example of a nominal level of measurement?
a. reaction time of an adult male measured before and after drinking an ounce of alcohol
b. a high school senior’s first, second, and third choices of colleges to attend
c. estimating the number of red blood cells in a laboratory sample
d. classification of psychiatric patients as either “neurotic” or “psychotic”
Ans: D
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Formal early childhood teaching is a growth industry
a. True b. False Indicate whether the statement is true or false
A psychologist has designed a new intelligence test. She has constructed two forms of the test, Forms A and B, and she claims that both forms measure intelligence equally well. She randomly selects 11 subjects and has each of them write Form A and Form B) She computes the correlation between the forms to be + .80. At a = .05, use a non-directional alternative to test her claim that the two forms measure the same thing. Note: tcrit = ± 2.262. What are the degrees of freedom?
What will be an ideal response?
The cover letter accompanying a questionnaire typically contains all but one of the following. Which one is not included?
a. A suggested date for the return of the questionnaire b. An assurance of confidentiality to the respondent c. An explanation of the purpose of the survey d. An explanation of the anticipated findings of the survey
What have many school districts done to address the issue of equity in their secondary schools?
a. Offer an integrated curriculum. b. Train teachers to treat all students the same. c. Increase taxes to purchase the highest quality of materials. d. Eliminate "honors" level courses. e. Require all high school students to take a calculus course.