A clearly false belief system, often bizarre and grandiose, that is maintained despite its irrationality is termed a:

A) hallucination.
B) paranoia.
C) delusion.
D) stupor.


C) delusion.

Psychology

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A parametric inferential statistical test of the null hypothesis for a single sample where the population variance is not known is the a. z test

b. t test. c. Cohen's d. d. standard error of the mean.

Psychology

In the 1950s, James Vicary reported that he had been able to manipulate sales for popcorn and Coca-Cola by flashing subliminal messages during the showing of a movie in a public theatre. How has his work stood the test of the time?

a. ?Poorly, because his claim was fabricated b. ?Fairly well, although the effect does not appear to be as strong as Vicary reported c. ?Quite well, and effects consistent with Vicary’s reports are the norm d. ?Extremely well, and the effects appear to be even stronger than Vicary reported

Psychology

Secondhand smoke from a parent or anyone else that lives with the pregnant mother has no effect on a mother's health or her unborn child

Indicate whether the statement is true or false

Psychology

A psychologist first conducted a study on helping behavior with a sample of college undergraduates. This psychologist then replicated the study using the same procedure with a different participant sample

If similar results were obtained with both samples, this experimenter has demonstrated a. internal validity. b. external validity. c. population consistency. d. chronological consistency.

Psychology