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Types of Threats to Internal Validity in Research

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Questions and Answers

What is a cover story used for in experiments?

To provide information about the true purpose of the study

To induce stress in participants (correct)

To select participants with specific traits or characteristics

To ensure participants understand the experimental procedures

Which of the following is an example of experimenter bias?

Having participants complete a pretest before the experiment

Providing more attention to participants in one experimental condition (correct)

Using a cover story to induce stress in participants

Allowing participants to self-select into different experimental conditions

How can experimenter personality influence participant performance?

Experimenter personality has no impact on participant performance

Hostile or authoritarian experimenters lead to better participant performance

The impact of experimenter personality depends on the experimental condition

Warm and friendly experimenters lead to better participant performance (correct)

What is the purpose of employing multiple experimenters in a study?

To control for potential experimenter bias Signup and view all the answers

Which of the following is an example of a context variable?

The environment or setting in which the experiment takes place Signup and view all the answers

How can allowing participants to self-select into different experimental conditions impact the study?

It decreases the external validity of the study Signup and view all the answers

What is the potential consequence of selecting friends or acquaintances as participants in a study?

It decreases the external validity of the study Signup and view all the answers

What is a potential threat to internal validity related to experimental procedures?

Experimenter bias Signup and view all the answers

Which of the following is a potential threat to external validity?

Biased sample selection Signup and view all the answers

What is the purpose of using a pretest in an experiment?

To measure participants' baseline knowledge or performance Signup and view all the answers