L-methylfolate

n. the active form of the B vitamin folate. It is available as a prescription medical food to treat people with folate deficiencies, depression (as an adjunct to antidepressants), or schizophrenia (as an adjunct to antipsychotics). U.S. trade name: Deplin.

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Psychology term of the day

November 22nd 2024

constant error

a systematic error in some particular direction. Constant error is computed as the average positive or negative difference between the observed and actual values along a dimension of interest. For example, if a weight of 1 kg is judged on average to be 1.5 kg, and a weight of 2 kg is judged to be 2.5 kg, the constant error is 500 g. See also absolute error; random error.