QUASI-CONTROL SUBJECTS

Participants in a research project who are asked for their view regarding the context of the conduct of the research and to give their...

QUASI-EXPERIMENTAL DESIGN

An experiment in which participants are assigned to either control groups or experimental groups in a non-random manner.

QUANTITATIVE TRAIT LOCI (QTL)

Points on the genome that contain genes that contribute to any variation in a give trait.

QUANTITATIVE RESEARCH

Quantitative research uses numeriacl data from observations to come to conclusions.

QUINTILE

20% of a distribution of scores. The first quintile, for example could be the lowest fifth.

QUANTITATIVE APPROACH

Freud's theory that when it comes to mental processes, there is a qualitative and quantitative quality when it comes to their psychic energy. Processes...

QUAZEPAM

A fast acting, medium potency benzodiazepine. It is a hypnotic that may accumulate in the system leading to daytime drowsiness.

QUARTILE

Breaking down of scores into blocks each representing 25 percent of total scores. For example, the lowest 25 %, the next 26 to...

QUANTITATIVE GENETICS

A study in genetics that examines traits that differ in degree as opposed to those in kind.

QALYS

An acronym for "Quality Adjusted Life Years"

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