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A loud tone is repeatedly presented to a group of rats.Initially, there is a large startle response that decreases across trials.The response decrease across trials may be due to
Systematic Changes
Alterations that follow a consistent, predictable pattern and are often due to specific causes or interventions.
Time
The indefinite continued progress of existence and events in the past, present, and future regarded as a whole.
History Effects
Events that occur outside the experiment which may affect participants' responses within the experiment.
Measurement Period
The specific duration or time frame during which data is collected or observations are made in a study.
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