in parapsychology, this refers to experiments using zener cards or similar targets. The results are recorded when a participant's call or guess matches the previous trial in the series, rather than the current one. If this effect occurs consistently, it is taken as evidence of post cognition. Compare with forward displacement.

BACKWARD DISPLACEMENT: "In backward displacement, a participant may call out the answer to a previous question, as opposed to the current one - meaning that the participant is still thinking about the prior question."
Cite this page: N., Pam M.S., "BACKWARD DISPLACEMENT," in, April 7, 2013, (accessed October 15, 2021).