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.
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Older drivers cause the greatest number of accidents when the weather is bad
Indicate whether the statement is true or false.
Last year, Fiona had a yard sale. She marked the prices of items very reasonably, and she refused to reduce them when people tried to "deal.". This year, she had another yard sale, but this time, she marked the prices of items quite high, and then reduced them by 50% or more when people asked to "deal.". Fiona was surprised to find that she made much more money this year. When she asks you why
this might have happened, you explain how judgments can be affected by a. absolute thresholds. b. sensory adaptation. c. contrast effects. d. subliminal comparitors.