I ask 30 people to take a difficult math exam in my lab . An hour later , I give everyone a cup of coffee and test them again on the same exam to see whether caffeine affects performance
What will be an ideal response?
within subjects
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What is the name of the system that is designed to mobilize resources and prepare a fight-or-flight response?
A. The hypothalamus-pituitary-adrenal system B. The cortex-thalamus cortisol system C. The sympathetic-adrenomedullary system D. The parasympathetic prefrontal cortex system
A popular diet company hires a physician to advertise their weight-loss program. Which source variable is the company trying to influence?
a. likeability b. similarity c. credibility d. originality e. attractiveness
If a couple wants to prevent pregnancy and avoid STIs, what is the most reliable choice?
a. Male or female sterilization b. Abstinence c. Birth control pills d. Condoms
The t-test, one-way ANOVA, and regression analysis are mathematically equivalent and yield the same results in a two-group case
a. True b. False Indicate whether the statement is true or false