An analysis of variance is used to evaluate the mean differences for a research study comparing four treatments with a separate sample of n = 8 in each treatment. If the data produce an F-ratio of F = 5.50, then which statistical decision is correct?

A) ?Reject the null hypothesis with ? = .05 but not with ? = .01.
B) ?Reject the null hypothesis with either ? = .05 or ? = .01.
C) ?Fail to reject the null hypothesis with either ? = .05 or ? = .01.
D) ?There is not enough information to make a statistical decision.


B

Psychology

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The ability of children and adults to naturally try to deal with their problems is known as

self-righting. intrinsic motivation. perseverance. effortful control.

Psychology

Excommunication in the Middle Ages resulted in being ____

a. sentenced to death c. placed in jail in solitary confinement b. exiled and shunned from society d. forced to taking a vow of silence

Psychology

According to the information in the article Yoking Smokingabout operant conditioning, which of the

following is a negative reinforcement? (a) slamming a door on your hand (b) spraying a cat for jumping on the kitchen table (c) canceling the final exam if you have an A (d) making a disobedient child take a "time out"

Psychology

Which of the following would be considered an example of a predisposing cause of a mental disorder?

a. A difficult day at work b. A birth defect c. A recently ended relationship d. Winning the lottery

Psychology