Dr Prutherow Believes That People Who Are Under Stress Will

question 142

Multiple Choice

Dr. Prutherow believes that people who are under stress will develop more colds than people who are not under stress. When he randomly selects ten participants and exposes them to high levels of stress, he finds that nine of the participants develop colds. Based on these results, he concludes that stress causes an increase in colds. Dr. Prutherow's reasoning may be flawed because

• A)there was no dependent variable in his study.
• B)there was no control group for comparison.
• C)he didn't formulate a hypothesis before he collected his data.
• D)he didn't measure the independent variable when the study ended.

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Definitions:

Flight Delays

A situation where an aircraft departs or arrives later than its scheduled time.

Severe Weather

Extremely harsh or hazardous weather conditions, such as tornadoes, hurricanes, or blizzards.

Customer Queries

Questions or concerns raised by customers regarding a product, service, or policy, requiring a timely and accurate response.

De-emphasize

To make something appear less important or less significant.