“…In sum, careful consideration of the thoughts that are likely to be validated by inductions of happiness and affirmation is critical for specifying when these inductions are likely to work or to lead to boomerang effects. Although for illustrative purposes we focused our examples on happiness and affirmation, other positive inductions could be potentially analyzed from the same point of view, including approach behaviors (Price & Harmon-Jones, 2016), touching (Jakubiak & Feeney, 2017), laughing (Martin, 2001;Provine, 2004), and using nodding, mimicry, synchrony, and warmth (e.g., Arnold & Winkielman, 2020;Guyer et al, 2019;Reich et al, 2014;Roscoe, 2017, van der Wal & Kok, 2019. Next, we examine one of these possibilities as an additional illustration.…”