Suppose you test the effects of a drug on rats’ learning by giving them 0, 10, 20, or 30 milligrams of the drug. This experiment has ______ independent variable(s) and ______ values.
a. 1; 4
b. 4; 1
c. 2; 4
d. 4; 2
Ans: A
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In a job interview, how could you best handle a question about something you wanted to accomplish but failed to do?
a) Admit the failure; tell what you learned from it and show how you improved from it. b) Tell about all the obstacles you faced, focussing the failure on them, not yourself. c) Become tearful, weepy, or remorseful to arouse sympathy from the interviewer. d) Deny any failure because employers don't want to hear about it.
During the assistive technology process, the team should consider __________________ , _________________, and ________________ factors
Fill in the blank(s) with the appropriate word(s).
Which of the following describes the definitional formula for variance?
A. It is stated in terms of how variance is defined. B. It is computed using SS in the numerator. C. It is a measure of the average squared distance that scores deviate from their mean. D. All of these.
What is the variance for the following set of scores: 20, 24, 26, 22, 18, 16, 18?
a. 12.95 b. 3.60 c. 6.55 d. 24