Hen the incidence of a condition called "Morgellons"
Wseemed to be increasing, the Centers for Disease Control (CDC) conducted research that found no evidence of such infections actually taking place. Soon after, the Mayo Clinic in Minnesota conducted similar research and obtained nearly identical findings. As it turned out, most people who thought they had Morgellons had very simple skin conditions, or no condition at all. The repetition of the CDC's research that was used to support the findings is crucial to critical thinking, in a principle called
A) ruling out rival hypotheses.
B) correlation versus causation.
C) replicability.
D) Occam's Razor.
Answer: C
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According to Maslow, what type of needs involve order, predictability, and freedom from fear?
a) esteem b) safety c) self-actualization d) belongingness/love
What are the two main criteria researchers use to evaluate scales?
a. reliability and fragility b. reliability and validity c. fragility and validity d. validity and measurability
_____ times as many women attempt suicide as men, yet men succeed at more than _____ times the rate of women.
A)Two; three B)Three; three C)Four; three D)Three; four
Why is it inappropriate to report the mean of interval or ratio data that contain outliers?
a. Because outliers can only occur in nominal and ordinal data b. Because interval or ratio data with outliers should be summarized with the mode instead c. Because the mean is never appropriate to use with interval or ratio data d. Because outliers pull the mean toward the outlier(s)