%0 Journal Article %T Attributing autonomous versus introjected motivation to helpers and the recipient experience: Effects on gratitude, attitudes, and well-being %A Weinstein, Netta %A DeHaan, Cody %A Ryan, Richard %J Motivation and Emotion %V 34 %N 4 %P 418-431 %@ 0146-7239 %D 2010-10-23 %I Springer US %~ DeepDyve