Alan Experiences Vivid Recollections of Horrible Events He Witnessed as a Soldier

question 92

Multiple Choice

Alan experiences vivid recollections of horrible events he witnessed as a soldier in the Middle East. Such recollections may ultimately contribute to a diagnosis of __________.

• A) dipolar disorder
• B) major depression
• C) post-traumatic stress disorder
• D) dissociative identity disorder

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Definitions:

Experimenter Effect

A phenomenon where the biases or expectations of the experimenter inadvertently influence the outcome of an experiment.

Random Assignment

A method used in experiments to evenly distribute participants across various groups, ensuring that each has an equal chance of being assigned to any group.

Selection Bias

The assignment of participants to experimental or control groups in such a way that systematic differences among the groups are present at the beginning of the experiment.

Placebo Effect

A phenomenon where a person experiences a perceived improvement in condition due to their expectations, rather than the effect of an active intervention.