A Researcher Needs to Randomly Assign Participants to Either the Experimental

question 78

Multiple Choice

A researcher needs to randomly assign participants to either the experimental or the control group.Which of the following techniques would be best to use?

• A)Assign participants 30 and older to the experimental group and the rest to the control group.
• B)Have the participants choose numbers out of a hat;assign those with even numbers in the experimental group and those with odd numbers in the control group.
• C)Assign participants with college degrees to the experimental group and the rest to the control group.
• D)Have participants decide which group they would like to be in.

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Definitions:

Stranger Anxiety

A form of distress that children experience when exposed to people unfamiliar to them, typically observed around 6 to 12 months of age.

Surveys

Research tools consisting of questionnaires or interviews used to gather data on opinions, experiences, or behaviors of a group of people.

Naturalistic Observations

A research method in which subjects are observed in their natural environment without any manipulation by the observer.

Experiments

Controlled procedures carried out to study the effects of variable manipulation on a particular system or subject, often used to establish causal relationships.