References
- Darley , J. M. and Latane , B. 1968 . Bystander intervention in emergencies: Diffusion of responsibility . Journal of Personality and Social Psychology , 8 : 377 – 383 .
- Heider , F. 1958 . The psychology of interpersonal relations , New York : Wiley .
- Kelly , H. H. 1967 . “ Attribution theory in social psychology ” . In Nebraska symposium on motivation , Edited by: Levine , D. Lincoln, NE : University of Nebraska Press .
- Kelley , H. H. 1972 . The processes of causal attribution . American Psychologist , 28 : 107 – 128 .
- Kelley , H. H. and Stahelski , A. J. 1970 . The inference of intention from moves in the prisoner's dilemma game . Journal of Experimental Social Psychology , 6 : 101 – 419 .
- Kirk , R. E. 1982 . Experimental design: Procedures for the behavioral sciences, , 2nd ed. , Belmont, CA : Brooks/Cole .
- Latane , B. and Nida , S. 1981 . Ten years of research on group size and helping . Psychological Bulletin , 89 : 308 – 324 .
- Leeds , R. 1963 . Altruism and the norm of giving . Merrill-Palmer Quarterly , 9 : 229 – 240 .
- Mayer , F. S. , Duval , S. , Holtz , R. and Bowman , C. 1985 . Self-focus, helping request salience, felt responsibility, and helping behavior . Personality and Social Psychology Bulletin , 11 : 133 – 144 .
- Rosenthal , R. and Rosnow , R. L. 1984 . Essentials of behavioral research: Methods and data analysis , New York : McGraw-Hill .
- Schopler , J. 1970 . “ An attributional analysis of some determinants of reciprocating a benefit ” . In Altruism and helping behavior , Edited by: Macaulay , J. and Berkowitz , L. New York : Academic Press .
- Tesser , A. , Gatewood , R. and Driver , M. 1968 . Some determinants of gratitude . Journal of Personality and Social Psychology , 9 : 233 – 236 .