The info about the adrenalin given to the subjects
The situation (euphoria or anger)
Epinephrine Informed (Epi Inf)
Epinephrine Ignorant (Epi Ign)
Epinephrine Misinformed (Epi Mis)
Placebo
The stooge acted friendly and started to play with the items in the room. Stooge encouraged the participant to join him. (Euphoria)
Stooge acted angry (because of the questionnaire) and ripped up his paper. (Anger)
Lacked ecological validity
Bad sample (all male, all students, approximately the same age)
Questioned on ethical ground (injecting people with adrenaline without consent)
Results weren't impressive
5 subjects were excluded because they may have found out what the study was about
No assessment of subjects mood before injection (maybe they were extremely happy or exceptionally angry) 7.Ethnosintric bias
Amount of control in their procedure
Large number of participants