The pooled variance serves as what in an independent samples t-test and is based on the variability from the two samples in the study?
What will be an ideal response?
The estimate of sampling error
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Suppose that a researcher wants to see which gender is most helpful, men or women. The researcher parks a car with a flat tire on a road and tallies the number of men and women who stop to help. What would be an example of one confounding variable in this study?
a. The men are more likely than women to be familiar with fixing a flat tire. b. The gender of the participants cannot be accurately determined. c. The operational definition of helping has not been specified with precision. d. The results probably depend upon the amount of traffic that passes by.
Taking clay and sand to create bricks, which are then used to build modular wall panels, which are then assembled to construct tall buildings, is similar to which of the following neural concepts?
A. Specificity coding B. Localization of function C. Hierarchical processing D. Distributed representation
The fact that the DSM-IV has been influenced by value considerations is most
clearly evidenced by the fact that (a) there are so many categories of disorder (b) whether homosexuality was a psychological disorder or not was decided by vote (c) it is a product of the American Psychiatric Association (d) it is a product of the American Psychological Association (e) it has maintained the terminology of "neurosis" and "psychosis"
Similar to children, a few rare instances of individuals with autism spectrum disorder (ASD) have been found to think using
A. mental images. B. dictionary definitions. C. increased language. D. complicated heuristics.