Here’s a well-conceived website. [1] Straight-forward and fun.
You will be given 20 short video clips of people smiling. Are they genuine smiles or fake smiles? After you make your picks (this will take about 5 minutes), this BBC site will reveal the correct answers and give you some genuine pointers for determining whether smiles are genuine or fake.
I got 13 out of 20 correct, though I had little confidence that I was doing any better than I would had I merely flipped a coin.
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