Two experiments are reported: one in which presentation of external information about a stranger evoked significantly higher attraction ratings than available psychological information; and a second where similarity of Subject and Other on external characteristics had greater effects upon attraction scores than did similarity of psychological…

In this study a male experimenter's style of dress had significant influence upon the number of agreements from older and younger women to answer the interviewer's questions and no influence upon men. Older individuals were more influenced by clothing than were younger ones. Results are discussed. (Author)

Postcards containing a message either favorable or unfavorable for the recipient, were "lost" in the public transportation systems of Paris, Madrid, London, Geneva, and Frankfurt. More postcards were returned when the message was favorable but only in high importance conditions. This pattern did not occur in Madrid. (Author/BEF)

It was predicted that the amount of satisfaction following an interpersonal exchange will be higher when the resource given is similar to the one reciprocated and lower when they are dissimilar. Interpersonal exchange situations were experimentally created in which two independent variables were manipulated. (Author)