Recall that berglas and jones (1978) led male participants to believe that they were going to either succeed or have difficulty on an upcoming test. next, participants were given the chance to ingest either a performance-enhancing drug or a performance-inhibiting drug. who preferred the performance-inhibiting drug? a. participants who thought they would have difficulty on the test b. participants who thought they would succeed on the test c. no participants did, regardless of their beliefs about success or difficulty. d. all participants did, regardless of their beliefs about success or difficulty.