A teacher obtains a sample of children from a fifth grade classroom by randomly selecting the third, fifth, and eighth rows and taking all the students in those rows. This is an example of ____ sampling
a. simple random
b. systematic
c. cluster
d. stratified
c
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Clayton flunked his algebra test and believes his failure was due to trick questions on the exam. Clayton appears to:
A. be using sublimation B. have an external locus of control C. be self-actualized D. have unconditional positive regard
Marijuana, LSD, mescaline, and psilocybin are classified as __________
Fill in the blank(s) with correct word
Tyler and his wife, Fran, both eat a piece of pie. If Tyler has diabetes but Fran does not, how will they likely feel after eating the pie?
A. Tyler is more likely to still feel hungry. B. Tyler will feel more satiated. C. Fran is more likely to still feel hungry. D. Fran will feel more satiated.
In a study on the relationship between physical activity and cognitive ability, Zoey hypothesizes that engagement in physical activity will predict scores on an IQ test. She randomly assigns participants to spend 5 days participating in an exercise program or 5 days relaxing at home. She also asks participants to report how well they slept each night during the study so she can control for it later. Which of the following is the confounding variable in this study?
A. Physical activity B. IQ test scores C. Hours slept D. Cognitive ability