tectum

n. (pl. tecta) the roof of the midbrain, dorsal to the cerebral aqueduct. The tectum contains the superior colliculi, which act as relay and reflex centers for the visual system, and the inferior colliculi, which are sensory centers for the auditory system. —tectal adj.

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Psychology term of the day

December 18th 2024

experiment-wise error rate

in a test involving multiple comparisons, the probability of making at least one Type I error over an entire research study. The experiment-wise error rate differs from the testwise error rate, which is the probability of making a Type I error when performing a specific test or comparison.