The “fixed” pie perception and strategy in dyadic versus multiparty negotiations

•Multiparty versus dyadic context influenced negotiators’ use of strategy.•Multiparty negotiators’ differential use of strategy improved their outcomes.•Multiparty negotiators used more complementary and structural sequences of strategy.•Dyadic negotiators used more reciprocal sequences of strategy.•Multiparty negotiators had weaker fixed pie perceptions than dyadic negotiators.