singlechoice: update stimulus ratings after one rating event
In EloChoice: Preference Rating for Visual Stimuli Based on Elo Ratings

Description Usage Arguments Value Author(s) References See Also Examples

update stimulus ratings after one rating event

1	singlechoice(val1, val2, k)

`val1`	rating of the preferred stimulus before the rating event
`val2`	rating of the unpreferred stimulus before the rating event
`k`	value of k-constant, which determines the maximum change of ratings after a single rating event

vector with two values: updated ratings after the rating event for preferred and unpreferred stimulus

Christof Neumann

\insertRef

elo1978EloChoice

EloRating

# little change because rating difference is large (positive), i.e. expectation is clear
singlechoice(1200, 500, 100)
# no change because rating difference is very large (positive), i.e. expectation is clear
singlechoice(1500, 500, 100)
# large change because rating difference is small (negative), i.e. expectation is clearly violated
singlechoice(500, 1500, 100)