Felt Ambivalence Weakens the Attitude–Intention Pathway for Regular Leisure-Time Physical Activity in Chinese Adolescents: A Three-Wave Prospective Study

: Favorable attitudes may be insufficient when adolescents remain conflicted about physical activity. The present study provides prospective support for a theoretically relevant moderation pattern in which felt ambivalence weakens the attitude-intention pathway, but it does not establish ambivalence as a key explanatory mechanism.