Validating Phenomenological Aspects of the Mental Imagery Experience through Meta-Analysis: Beyond Global Assessment of Imagery Ability
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Two assessments of mental imagery vividness were compared through meta-analysis, the Vividness of Visual Imagery Questionnaire (VVIQ), and trial-by-trial ratings of vividness. Each vividness assessment was further divided into behavioural/cognitive or neuroscientific measures. It was found that the average effect size magnitude for trial-by-trial vividness exceeded that of the VVIQ for behavioural/cognitive, but not neuroscientific measures. However, the average effect sizes magnitude for neuroscientific measures was generally greater than behavioural/cognitive ones. Additionally, the average effect sizes magnitude for trial-by-trial vividness ratings was generally greater than the VVIQ. It is suggested that trial-by-trial ratings, in conjunction with neuroscientific measurement, may provide a more precise and reliable measure of mental imagery vividness. Despite face validity, unique observations correlating trial-by-trial vividness ratings with the VVIQ were weak to moderate on average. Theoretical considerations on the empirical validity of the construct of vividness are discussed.
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Copyright © 2013 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 2013
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