AUTHOR=Phaf R. Hans , Mohr Sören E. , Rotteveel Mark , Wicherts Jelte M. TITLE=Approach, avoidance, and affect: a meta-analysis of approach-avoidance tendencies in manual reaction time tasks JOURNAL=Frontiers in Psychology VOLUME=5 YEAR=2014 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2014.00378 DOI=10.3389/fpsyg.2014.00378 ISSN=1664-1078