Card Test

This is the classic "find-the-hidden-picture" test.

Click on the one card among the five that has a picture on the other side. A hit is scored if you guess correctly and a picture is revealed.

After a run of a few trials, you'll see your results.

Trials per run:   5   10   25           100 - standard experimental run
                                                                                          If you choose this option, you MUST complete exactly 100 trials, no more, no less.

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