Which of the Following Situations Does Not Need Written Consent

question 50

Multiple Choice

Which of the following situations does not need written consent from the participants and their families?

• A) A researcher wants to interview tenth grade students about their study habits.
• B) A researcher wants to administer a survey to middle school students about their television viewing at home.
• C) A researcher wants to observe the natural play interactions of children on the playground in a public setting.
• D) A researcher wants to give a short questionnaire to twelfth grade students about their extracurricular activities.

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Definitions:

Samples of Tin

Examples of tin in various forms for examination or experimentation.

Whole Number Ratios

Ratios that express the relative amounts of elements in a compound using integer values, fundamental to determining chemical formulas.

Hydrofluoric Acid

A highly corrosive acid made of hydrogen and fluorine that is used in various industrial processes.

Sodium Hydroxide

A highly caustic metallic base and alkali salt, used in many industrial processes, often known as lye or caustic soda.