A Study Is Initiated in Which the Benefits of Fluoride

question 3

Multiple Choice

A study is initiated in which the benefits of fluoride in toothpaste are to be evaluated. The population for the study includes children in public elementary school who get dental checkups every six months. Which type of trial is used for this study?

• A) Randomized Assignment Trial
• B) Randomized Community Trial
• C) Randomized Selection Trial
• D) Randomized Inclusion Trial

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Definitions:

Reinforcement

In behaviorism, a consequence that increases the likelihood of a behavior being repeated.

Fixed-ratio

A schedule of reinforcement where a response is only rewarded after a specified number of responses, leading to high and steady response rates.

Variable-ratio

A schedule of reinforcement where a response is rewarded after an unpredictable number of responses, making it highly effective in maintaining behavior.

Fixed-interval

A term in operant conditioning referring to a schedule of reinforcement where a response is rewarded only after a specified amount of time has passed.