Imagine That a Group of Researchers Conducted a Single-Blind Study

question 93

Multiple Choice

Imagine that a group of researchers conducted a single-blind study designed to test the effectiveness of subliminal-message weight-loss tapes. Suppose the researchers found that everyone lost weight during the study, even those who were given tapes without any subliminal messages. This type of result would ​

• A)indicate that the independent and dependent variables are negatively correlated.
• B)provide evidence that subliminal tapes are effective in promoting weight loss. ​
• C)be evidence of a placebo effect. ​
• D)be evidence that the study contained confounding variables. ​

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