Glossary M

Mortality refers to the number of deaths due to particular causes; number of deaths related to a specific cause; the relation of deaths to the population in which they occur.

- Mortality as a threat to internal validity : Mortality as a threat to internal validity refers to a difference in the dependent variable due to differential participant attrition from groups exposed to different levels of the independent variable.

Mosaic karyotypes refers to the presence of both structurally normal and abnormal female chromosomes that produces one form of Turner's syndrome.

Motherese is also referred to as Child-directed speech or Infant-directed speech which is the kind of speech that mothers and others produce when talking to infants and young children. It is characterized by an average higher pitch, a wider pitch range, longer pauses, and shorter phrases than speech addressed to adults.

Motherhood mandate refers to the belief that something is wrong with a woman if she is not involved in care-giving or child care.

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Motile response refers to response to sound of the outer hair cells in which these cells move. The cells tilt and get slightly longer, which increases basilar membrane vibration and therefore amplifies the response of the inner hair cells.

Motility means self -propulsion.

Motion is defined as oral or written request to a judge that asks the court to make a specified ruling, finding, decision, or order. It may be presented at any appropriate moment from arrest until the end of the trial.

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