How Can It Be Determined If an Experiment Is Valid

question 3

Multiple Choice

How can it be determined if an experiment is valid (both internally and externally) ?

• A) The observed change in the dependent variable is in fact due to the experimental variable.
• B) The results of the experiment apply to the general population outside the experimental setting.
• C) The results do not account for the effects of extraneous variables.
• D) Both a and b are correct.
• E) a, b, and c, are all correct.

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Definitions:

Resource-Limited Processing

A concept in cognitive psychology that suggests there is a finite amount of cognitive resources available for processing information, which limits the number of tasks we can perform simultaneously.

Vigilance Requirement

The need for sustained attention and alertness over prolonged periods to detect and respond to small or infrequent changes or signals.

Treisman's Theory

A theory proposed by Anne Treisman that emphasizes the importance of attention in perception, particularly in integrating features into cohesive objects.

Unattended Information

Information that is present in the environment but is not the focus of attention and thus is not processed deeply or remembered well.