Since a t test for independent means may be used when Sample 1 and Sample 2 include different numbers of participants, the two estimates of the population variance are combined into an overall pooled estimate using a(n) __________
Fill in the blanks with correct word
weighted average
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According to Hans Selye's definition of stress, which of these counts as a stressful event?
a. Getting married b. Being a victim of racial prejudice c. A lifelong physical disability d. Lifelong poverty
While Nicholas was hypnotized, he was able to endure painful jaw surgery without any anesthesia. This could be taken as support for the view that hypnosis
a. causes people to act out a role. b. is the same as REM sleep. c. is the same as slow-wave sleep. d. creates a dissociation in conscious awareness.
The tendency of individuals who know they are under observation to alter their natural behavior is termed
a. participant reactivity. c. observer reactivity. b. observer bias. d. participant bias.
Christian, a television executive, issues a rule mandating that shows on his network include actors with a range of different BMIs and that no actors should have BMIs less than 18. Which of the following describes the most likely outcome of this decision on the network's audience?
A. Individuals will begin changing their conceptualization of the ideal body. B. Rates of obesity will increase among individuals who view the shows. C. Rates of binge eating disorder will increase among viewers. D. More individuals will be motivated to seek out weight loss options.