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Credit Card Image by https://pixabay.com/users/OpenClipart-Vectors-30363/ Use to ask a participant to work out their screen scale relative to a credit card.

Demo of a basic interleaved staircase based on multistair handler.

Study information This study is being conducted for the module English Dissertation: Full year in the School of English at the University of Nottingham in order to gain a greater understanding of language processing in the human mind.

This experiment uses traditional chinese

Created for Eliza Yujun Ng December 2018

Numbers are presented at a rate of one per second. The first digit cannot be 0 Following digits can be 0 but cannot be the same as the previous digit.

If the answer is correct the span is increased for the next trial If the answer is wrong the span is decreased for the next trial

If there are at least two errors at a given span and that represents more than half of the total attempts at that span then the experiment ends, returning a span of one less than the final span attempted.

A staircase using the QUEST algorithm from Watson & Pelli (1983)

A basic demo of a psychophysics staircase, using orientation discrimination.