The Replication Crisis: To Smile, Or Not To Smile, That is the Question

[Excerpts are taken from the article “Can Smiling Really Make You Happier?” by Cathleen O’Grady, published at FiveThirtyEight.com] “In 1988, social psychologist Fritz Strack published a study that…asked participants to…hold a pen in their mouths in a position that forced…