Imagine That a Group of Researchers Conducted a Study Designed

question 219

Multiple Choice

Imagine that a group of researchers conducted a 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.What could we conclude from the results

• A) The independent and dependent variables in the study are negatively correlated. 
• B) There is evidence that the study contained confounding variables. 
• C) There is evidence of a placebo effect. 
• D) Subliminal tapes are effective in promoting weight loss.

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Definitions:

Pre-Existing Health Problems

Health issues or conditions that were present before obtaining a new health insurance policy or entering a health treatment program.

Price Elasticity

A measure of the sensitivity of the quantity demanded or supplied of a good to a change in its price.

Demand Curve

A graphical representation showing the relationship between the price of a good and the quantity demanded by consumers.

Price Elasticity

A measure of how much the quantity demanded of a good responds to a change in the price of that good, indicating the sensitivity of consumers to price changes.