Patients Are Advised to Swish Disclosing Solution Around in the Mouth

question 7

Multiple Choice

Patients are advised to swish disclosing solution around in the mouth for at least:

• A) 10 seconds
• B) 20 seconds
• C) 30 seconds
• D) 60 seconds

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Definitions:

Hypotheses

Proposed explanations made on the basis of limited evidence as a starting point for further investigation, often tested statistically.

Confounding Variables

External variables that can affect the outcome of an experiment, making it difficult to establish a clear cause-and-effect relationship.

Random Assignment

The assignment of participants to categories of an independent variable such that each participant has an equal chance of being assigned to each category.

Systematic Observation

An observational method that involves structured, consistent procedures for recording and analyzing phenomena.