cost of concurrence

the decrease that occurs in performance of a task that is placed in a dual-task context, even when the instructions are to emphasize that task. This cost is measured in terms of changes in reaction time or accuracy and is estimated from an analysis of a performance-operating characteristic.

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Psychology term of the day

May 10th 2024

estimator

n. a quantity calculated from the values in a sample according to some rule and used to give an approximation of the value in a population. For example, the sample mean or average is an estimator for the population mean; the value of the sample mean is the estimate.