Rook, L.

imitation performance exemplar creativity focus task performance people research study product participant comparison effect promotor behavior promotion condition journal other quality psychology higgin exemplar product prevention idea generation promotion focus process task difficulty generation extent prevention focus smith hargadon object design comparison orientation hypothesis exemplar products university innovation individual press presence model management friedman mouse influence piece manipulation difficulty van knippenberg interaction setting exemplar object personality exemplar quality analysis factor control perspective orientation creatieve knippenberg buunk result score shalley number novel tomasello meltzoff understanding attention theory novelty level evidence category application