Glossary H

Historicism is defined as the study of the past for its own sake, without attempting to interpret and evaluate it in terms of current knowledge and standards, as is the case with presentism. Please see also Presentism.

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Historiography refers to the study of the proper way to write history.

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History is the study of past events.

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- History as a threat to internal validity : History as a threat to internal validity is a change in the dependent variable due to the occurrence of an event between the testing of levels of the independent variable.

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History effects refers to a possible confound in research that inadvertently takes place between measurements because of historical changes in the participant

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- Histrionic personality disorder : Histrionic personality disorder refers to Cluster B (dramatic, emotional, or erratic) personality disorder involving a pervasive pattern of excessive emotionality and attention seeking. It is a personality disorder characterized by exaggerated emotional reactions, approaching theatricality, in everyday behavior.

Hit is the correct detection of a signal that has been presented. Also, Hit is when a witness accurately identifies the person who committed a crime from a lineup

Hit rate is a term used in test-decision analysis that refers to the proportion of cases in which a test accurately predicts success or failure.