A Trend in the Data That Has No Obvious Explanation

question 33

Multiple Choice

A trend in the data that has no obvious explanation is troublesome for researchers for all of the following reasons, except:

• A) some variable is influencing behavior significantly and this could interfere with seeing the impact of the control condition or the intervention condition
• B) without an obvious explanation for the trend, the researcher cannot be clear on how to more effectively control the environment to reduce the impact of these factors
• C) a trend makes it more difficult to determine the effects of an intervention
• D) there are no informal criteria or rules to help guide a researcher's decision-making process if this occurs

---

Definitions:

Smokers

Individuals who inhale the smoke from burning tobacco products, such as cigarettes.

Stop

To cease movement or come to a halt.

Percentage

A mathematical term denoting a fraction or portion of a whole expressed as a number out of 100.

Meth Labs

Illicit setups or places for the production of methamphetamine, a powerful, highly addictive stimulant drug.