The direction (positive or negative) of a correlation is indicated by
A. the sign of the coefficient.
B. numbers between 0.0 and 1.00.
C. the absolute value of the correlation.
D. our ability to make predictions for the variables.
A. the sign of the coefficient.
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An eating disorder characterized by recurrent food refusal, leading to dangerously low body weight is called _______.
A. binging. B. bulimia nervosa. C. binge-eating disorder. D. anorexia nervosa.
Nick is following the Atkins Diet, which allows dieters to consume lots of fats and proteins but very little carbohydrate. Consequently, it is likely that Nick will
A. not lose any weight, as weight loss requires people to reduce the amount of fats consumed. B. experience cognitive problems, as the brain will have insufficient glucose to function properly. C. use ketones from fats to provide energy to his brain. D. use amino acids from proteins to provide energy to his brain.
When calculating the total degrees of freedom in a one-way ANOVA, which of the following values is needed?
a. the number of groups c. the number of subjects per group b. the total number of subjects d. all of these
Memories that are related to unconscious information, such as how to ride a bike or write one's name, are called __________ memories
a) factual b) episodic c) semantic d) implicit