A friend of yours attributes the high grades she receives on tests to the fact that she always drinks coffee while studying
You start thinking about how psychologists might design a study that would determine whether the caffeine in coffee can contribute to better academic performance. Describe an appropriate design for such a study, making sure to explain how you would operationalize your variables, the measurements you would use, and how you would control for possible alternative explanations of your results.
What will be an ideal response?
Answer: State what independent variable and dependent variable will be used. Operationalize the variables. Explain if this will be a within-subjects design and what this means. Explain how random sampling will be used.
You might also like to view...
The neurotransmitter that influences eating, sleep, wakefulness, and aggressive behaviour is:
A) serotonin. B) endorphins. C) dopamine. D) norepinephrine.
Sam's friends describe him as a sensation seeker, carefree, and very active. A psychologist interested in traits would summarize Sam's personality by using which of these terms?
a) psychoticism b) neuroticism c) extraversion d) conscientiousness
Imagine that you participate in an experiment in which you are shown an essay supporting legalized abortion. The experimenter tells you that the essay was written by a student who was forced to write an essay that supports abortion
According to the results of similar studies, you would be likely to conclude that the author of the essay was A) pro-life, especially if you are high in need for cognition. B) pro-life, especially if you are low in need for structure. C) pro-choice, especially if you are high in need for cognition. D) pro-choice, especially if you are low in need for cognition.
Based on the results reported above and an alpha level of .05, the ______ p value is possible for the test comparing the groups in this study.
a. .085 b. .85 c. 1.85 d. .008