A Scientist Is Hoping to Compare the Mean Levels of DDT

question 84

Multiple Choice

A scientist is hoping to compare the mean levels of DDT toxin found in three species of fish in a local river. He randomly samples 50 of each species to use in the analysis. For each fish, he
Measures the amount of DDT toxin present. Ideally he will be able to rank the species based on the
Mean level of toxin found in each of the three species. How many factors are present in this study?

• A)3
• B)50
• C)6
• D)1

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Definitions:

Positive Rewards

Stimuli or reinforcements that increase the likelihood of a repeating behavior by inducing a pleasurable outcome.

Operant Conditioning

A learning configuration where the conditioning of behavior strength turns on the axis of reinforcement or punitive action.

Schizophrenia

A chronic brain disorder that affects a person's ability to think, feel, and behave clearly.

Rational

Based on or in accordance with reason or logic; capable of logical or reasoned thinking.