Effects of Pathogen-Avoidance Tendency on Infection-Prevention Behaviors and Exclusionary Attitudes toward Foreigners: A Longitudinal Study of the COVID-19 Outbreak in Japan.

This study investigated the changes in public behaviors and attitudes following the spread of COVID-19 in Japan. Using a longitudinal approach that analyzes the movement of an unpredictable and real infection threat to explain and predict human behavior during the pandemic-a novel approach in behavioral immune system research-a panel survey was conducted on Japanese citizens. The results of the survey, conducted in late January, mid-February, and early March 2020, indicated that the influence of the interaction between the changes in situational infection threat and individual differences in pathogen-avoidance tendency on infection-prevention behaviors and exclusionary attitudes toward foreigners was not significant.

Effective forewarning requires central route processing: Theoretical improvements on the counterargumentation hypothesis and practical implications for scam prevention.

Financial scams have caused tremendous financial damage globally. In Japan, the police forewarn people by equipping them with scam-prevention techniques or providing awareness regarding examples of previous scams; however, this does not appear to effectively prevent the damage, as many scam victims do not remember these warnings when faced with actual scam encounters. Considering that scammers often use appeal to emotion techniques, peripheral processing during scam attempts might disturb people's abilities to recall the warnings on scammers' modus operandi, thus leading to failed counter-arguing efforts.

Effects of Labeling and Group Category of Evaluators on Evaluations of Aggression.

This study investigated whether the effect of labeling on people's evaluation of aggression varies according to the group category of the evaluators (i.e., whether they are ingroup members or third parties).