Attempting to elicit a precall effect using emotive images and participants with high levels of belief in psi

Vernon, D. (2017) Attempting to elicit a precall effect using emotive images and participants with high levels of belief in psi. Journal of Consciousness Studies. ISSN 1355-8250. (In Press)

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Abstract

Precall refers to the explicit recall of target material, such as words or images, which incorporates the unusual notion that practice sessions occurring after the recall test will influence previous recall performance.

A recent attempt to elicit such an effect using arousing images was unsuccessful. However, it was noted that the failure to elicit a precall effect may have been the result of relying on images that were not sufficiently arousing and that the participants completing the task had lower than average levels of belief in psi. Hence, the current study addressed these points by utilising both positive and negative images that were rated as more arousing and by selectively recruiting participants with high levels of belief in psi.

The prediction was that post-recall practise would lead to greater precall of those items practised compared to items not practised. The deign utilised an on-line precall study to present the emotive images and was completed by 107 participants with high levels of belief in psi.

Comparison of recall accuracy between images that were subsequently repeated and those that were not showed no evidence of a precall effect. Nevertheless, post recall practise did improve recall performance.
The failure to find any evidence of a precall effect is consistent with the claims and findings of others who take a more sceptical approach to psi based effects. Nevertheless, reflection on the methodology of the current experiment offers some speculative possibilities as to why no precall effect was elicited.

Item Type: Article
Subjects: B Philosophy. Psychology. Religion > BF Psychology > BF1001 Parapsychology > BF1002 Psychic research. Psychology of the unconscious
B Philosophy. Psychology. Religion > BF Psychology > BF1001 Parapsychology > BF1161 Telepathy. Mind reading. Thought transference
B Philosophy. Psychology. Religion > BF Psychology > BF0161 Mind and body
B Philosophy. Psychology. Religion > BF Psychology > BF0180 Experimental psychology
Divisions: Faculty of Social and Applied Sciences > School of Psychology, Politics and Sociology
Depositing User: Dr David Vernon
Date Deposited: 16 Aug 2017 12:39
Last Modified: 23 Nov 2017 03:59
URI: https://create.canterbury.ac.uk/id/eprint/16202

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Last edited: 29/06/2016 12:23:00