Glossary M

Maternal-serum Alpha-fetoprotein screening (MSAFP) refers to a blood test used during early pregnancy to determine neural tube defects such as spina bifida or anencephaly.

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Deutsch: Mathematische Kombination / Español: Combinación matemática / Português: Combinação matemática / Français: Combinaison mathématique / Italiano: Combinazione matematica

Mathematically combining refers to the systematic integration of numerical, statistical, or computational methods to synthesize psychological data, models, or theoretical constructs. This process enables researchers to derive quantitative insights from qualitative observations, test hypotheses with precision, and uncover latent patterns in behavioral or cognitive phenomena. By leveraging mathematical frameworks, psychologists can transform abstract concepts into measurable variables, facilitating rigorous analysis and interpretation.

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mathematics disorder refers to mathematics performance significantly below the standard for that age level.

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Matriarch refers to a woman who is the head of a family ; a woman who is the founder or leader of a group or community ; and may also refer to a venerable old woman.

Matriarchal family is a family in which the mother has formal authority and dominance.

Matrocliny means inheritance of traits primarily from the mother. Matrocliny is also called Matricliny

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Matthew effect refers to the effect of early reading skill on later reading skill in which early good readers improve faster than early poor readers with the result that the gap between skilled and poor readers grows. Matthew effect is named after the biblical passage according to which the rich become richer and the poor become poorer.

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Maturation refers to the systematic physical growth of the body, including the nervous system; developmental changes in the body or behavior that associated with the biological process of aging. Maturation also refers to the developmental changes in the body or behavior that result from the aging process rather than from learning, injury, illness, or some other life experience. Maturation also refers to a change in behavior caused by physical or physiological development of the organism in the absence of experience with particular environmental events.

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