Glossary M

Marasmus refers to a growth-retarding disease affecting infants who receive insufficient protein and too few calories.

Margaret F. Washburn, the first woman to earn her Ph.D. in psychology, graduated from Cornell University in 1898.

Marginal babbling is defined as the long series of sounds that infants produce just before they begin to produce canonical babbling . Marginal babbling, which is a kind of sound production is typical around 5 and 6 months of age.

Maria Montessori (1870-1952) refers to an Italian educator who developed a popular method of educating young children in which students were encouraged to be self -directed in their explorations of their environments.

marijuana refers to dried part of the hemp plant (Cannabis sativa) which is a hallucinogen and is the most widely used illegal substance .

Marital rape refers to the rape of a person by her or his current or former spouse.

Marital schism is defined as a situation in which one parent tries to undermine the worth of another by competing for sympathy or support from the children.

Marital skew refers to a situation in which the psychological disturbance of one parent dominates the family 's interactions . An unreal situation for family members is created so that the family can deal with one member's disturbance.

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