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vascular dementia

severe loss of cognitive functioning as a result of cerebrovascular disease. It can be due to repeated strokes, a single large stroke, or chronic cerebral ischemia. It is one of the most common types of dementia. Also called multi-infarct dementia.

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Psychology term of the day

November 19th 2024

parameter

parameter

n.

1. a characteristic of a population, such as the mean or standard deviation, that is described or estimated by a statistic obtained from sample data. For example, the mean score on a national exam for a sample of colleges provides an estimate of this parameter in the population of colleges.

2. any of the variables in a statistical model that is studied or used to explain an outcome or relationship.

3. an argument of a function.