What are two potential consequences of making errors in data entry?
What will be an ideal response?
Ans: Errors may result in finding nothing interesting in your study. Or worse, errors might lead you to publish inaccurate results, misleading and potentially harming others.
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Which of the following disorders has been replaced by persistent depressive disorder?
a. Major depressive disorder b. Bipolar c. Manic-depressive disorder d. Dysthymia
If the null hypothesis is true and we run the Mann-Whitney test on our data, the expectation is that
a. the difference scores will all be zero. b. the test will be significant. c. the sum of the ranks in the two groups will be approximately equal (assuming equal sample sizes). d. the number of subjects in each group will be about the same.
Rachel, a biology student on a field study in the Amazon, observed the behavior of a small mammal that was frequently preyed upon by birds, snakes, and monkeys. It built burrows at the base of trees. Based on the work of Allison and Cichetti, what predictions can Rachel make about her mammal's sleeping habits? a. It is unlikely to sleep more than a few hours per day, and will do so out in the
open. b. It is likely to sleep many hours per day in its burrow. c. It is likely to sleep many hours per day out in the open. d. It is unlikely to sleep more than a few hours per day, and will do so in its burrow.
Confounding of variables in an experiment renders the collected data
a. invalid. b. unreliable. c. uncorrelated. d. insignificant. e. significant.