The Internal Validity of an Experiment Is Lowered by Experimenter

question 341

Multiple Choice

The internal validity of an experiment is lowered by experimenter expectancy effects because

• A)the behaviour of the experimenter may have caused the participants to respond the way they did
• B)there is a confounding effect and you can't tell whether the independent variable or the dependent variable caused the results
• C)the results of the experiment may have been due to participants' expectations about the treatment they thought they were receiving
• D)the experimenter made a mistake in using a correlational design instead of an experimental design

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Definitions:

Mildly Confused

A state of being where an individual has slight difficulty with understanding, decision making, or memory.

Combative

Showing readiness or eagerness to fight or argue; confrontational.

Client-Centered Evaluation

An evaluation method focusing on the client's needs, preferences, and perspectives as central to the assessment process.

Intermittent

Occurring at irregular intervals; not continuous or steady, often used to describe symptoms or occurrences that start and stop over a period of time.