The tendecy of an organism to maintain equilibrium by behavioural processes. See homeostasis.
the amount of twin pairs or other genetically related persons who show a certain feature or illness.
postulated by Edward I. Thorndike, the idea that learning consists of the obtaining of unbiased correlations between reaction and stimulant.
a type of construct validity based upon the level to which the gauging tool being examined shows vast involvement with conceptually similar tools.
someone who is expertly skilled in social work, psychology, counseling, or nursing who possesses specific training in at least one counseling department, like rehabilitative...
a trial and error model wherein people of carrying ages or growth stages are compared to one another.
a setup for experiments requiring the measurement of the dependent variable prior to onset of the experiment and again after it.
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