By F. Hoffmeister (auth.), Prof. Dr. Friedrich Hoffmeister, Prof. Dr. Christian Müller (eds.)
Experimental gerontopsychology makes an attempt to check causal hypotheses approximately previous age-related behavioral adjustments through the manipulation of age-differences. An experimental remedy is brought with the aim of equating assorted age-groups with appreciate to a almost certainly appropriate functionality. If the therapy leads to an assimilation of the habit of the several age-groups (age by-treatment interaction), variations during this functionality are con sidered as causal for the generally saw behavioral fluctuate ence. If it doesn't bring about an assimilation of the habit of different age-groups (main influence of treatment), vary ences during this functionality are regarded as inappropriate for the nor mally saw behavioral distinction. different interpretations of age-by-treatment interactions and major results of remedy during this form of learn are moderate provided that the experimental remedy really ends up in an equalization of the age-groups with admire to the func tion of curiosity. As is proven, any such useful equalization can neither be proven nor assumed in lots of situations. In such situations, reports with both age-group can be utilized to enquire hypotheses approximately power factors for outdated age-related behavioral adjustments, stories with younger topics having vital benefits over stories with outdated topics. A attempt of causal relationships by means of age-by-treatment interactions is feasible in situations the place the experimental remedy obviously leads to an equalization of the age teams with admire to the functionality in query. regrettably, the sphere of software for this type of procedure is very limited.
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50; that is, 25% of the variance on one was explained by the other. To make these findings more impressive, the effect of age - a possible common variable to each - had been controlled by a partial correlational procedure. In a more recent study, Botwinick and Storandt (1974) examined 120 subjects, ten men and ten women in each decade from 20 to 70 years of age, on a series of tests relating to memory and related psychological functioning. When the results of the memory tests were combined with the nonmemory psychological tests and a factor anaylsis performed, Botwinick and Storandt identified four major factors.
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Brain Function in Old Age: Evaluation of Changes and Disorders by F. Hoffmeister (auth.), Prof. Dr. Friedrich Hoffmeister, Prof. Dr. Christian Müller (eds.)