Dr. Chen is conducting a study at a restaurant on the effects of touch on positive
responses. She arranged for servers to touch their customers on the arm 0, 2, or 4 times
during the course of a meal.
She then measured the amount of tips given to servers by
their customers. The control group in this study was
a. not touched.
b. touched twice.
c. touched four times.
d. touched 0, 2, or 4 times.
e. touched either 2 or 4 times.
a. not touched.
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Research into the memories of animals such as mice and rats suggests that they experience infantile amnesia
A psychoanalytic theorist might suggest that this is because these animals have repressed the memories of traumatic events, but the critical thinking principle of _____ suggests that this is rather implausible assertion. A) Occam's Razor B) replicability C) extraordinary claims D) correlation vs. causation
Similar results are found on different occasions in a research study. This consistency shows which of the following?
Correlation Standardization Validity Reliability