Previous research suggests visual-spatial ability varies with gender. You are interested in investigating the effect of an iPhone app to help college students improve their visual spatial ability
You randomize students to either work with the visual-spatial app or to solve crossword puzzles. You asses their performance on a measure of visual-spatial ability before and after the intervention. Which of the following extraneous variable should you control?
a) Gende
b) Linguistic ability
c) Penmanship skills
d) Age
A
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What complicates the use of Antabuse in the treatment of alcoholism?
A. While it reduces cravings, it does nothing to improve negative mood states. B. There is a risk of dependence. C. It has to be administered intravenously. D. Exposure to all alcohol must be avoided.
_________ are at a high risk of infant mortality
a. Extreme preterm babies b. Babies born in Sweden c. Babies who were exposed to a virus prior to birth d. Babies weighing over 9 pounds.
Learning that is not directly observable is called _____________
A) insight B) innate learning C) vicarious learning D) latent learning
The negative changes in thoughts, emotions, and behavior as a result of prolonged stress or frustration are called __________
a) eustress b) burnout c) dysphoria d) epidemiology