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The self report of everyday memory deterioration in neurologically impaired subjects : reliability and validity

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Fourez, John R (1991) The self report of everyday memory deterioration in neurologically impaired subjects : reliability and validity. Unspecified thesis, University of Tasmania.

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Abstract

The present study investigated the reliability and
validity of neurologically impaired patients' ability to report on
the deterioration in their everyday memory.
In order to do so, a thirty-five item questionnaire, the
Metamemory Change Questionnaire (M.M. C. Q.), was constructed and
subjects' responses were validated against their performance on
the Wechsler Memory Scale (W .M. S.), an objective index of memory
deterioration, and a close relative's ratings concerning the
patient's memory problems.
Forty one outpatients with confirmed neurological
conditions were selected according to a set of inclusion criteria.
Each subject endorsed the M.M.C.Q. twice in order to determine the
questionnaire reliability, and they were also required to indicate
their overall perception of change on a single five point Likert
scale. On the second occasion, he/she was also administered the
W.N.S. and the National Adult Reading Test. An index of
deterioration was then calculated by comparing his current memory
quotient to his estimated premorbid verbal I.Q.. At that stage a
relative was also requested to independently endorse the N.M.C.Q.
according to that person's perception of the patient.
The data obtained from these various measures were then
subjected to correlation analyses. The M.M.C.Q. was found to be a
very reliable instrument, and good agreement was obtained between
the patients' and relatives' estimates of the subjects' memory
deterioration. Its relationship to the I.Q. minus M.Q. index of
deterioration was, however, dependent on the severity of the

respondent's memory impairment. Thus the magnitude of correlations
between subjective reports and test performance was substantially
greater in the more severely affected subjects. A similar pattern
of results was obtained with the simple overall rating scale, so
that the relative merits of using the entire M. M. C. Q. over that
global judgement will require further investigation.
The results of this study are interpreted as suggesting
that more severe memory impairment is associated with more
accurate self report of deterioration. Alternative explanations
are discussed and suggestions for further research offered.

Item Type: Thesis (Unspecified)
Keywords: Memory disorders, Memory
Copyright Holders: The Author
Copyright Information:

Copyright 1991 the Author - The University is continuing to endeavour to trace the copyright
owner(s) and in the meantime this item has been reproduced here in good faith. We
would be pleased to hear from the copyright owner(s).

Additional Information:

Thesis (M. Psych.)--University of Tasmania, 1992. Includes bibliographical references (leaves 82-90)

Date Deposited: 08 Dec 2014 23:59
Last Modified: 16 Aug 2016 05:57
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