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Four experiments were conducted to study the fakability of the Engineer Performance Description Form, a forced choice appraisal scale. Two operational definitions of fakability were used in the data analyses which yielded different results. Generally, raters are able to fake or distort their ratings but are unable to estimate even with modest accuracy what rating they gave (faked). Several issues regarding performance appraisals are considered.
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J South (1980) studied this question.
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