Does the Perceived Deficits Questionnaire-Depression (PDQ-D) instrument provide a reliable and valid measure of subjective cognitive dysfunction in US and UK respondents with major depressive disorder?
The PDQ-D is a validated tool for assessing subjective cognitive dysfunction in patients with major depressive disorder.
The PDQ-D provides a reliable and valid measure of subjective cognitive dysfunction in patients with MDD.
Lam et al. (Mon,) studied this question.
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