Point-of-time effects across the semester: is there a sampling bias?
A study was conducted to determine whether differences exist between students who volunteer for research credit at the beginning of the college semester and students who postpone their research participation until the end of the semester, in light of the fact that external validity might be threaten...
| Publicado en: | Journal of Psychology Vol. 132; pp. 211 - 220 |
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| Autores principales: | , |
| Formato: | Artículo |
| Publicado: |
Taylor & Francis Ltd
March 1998
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| Materias: | |
| Acceso en línea: | Ver este registro en EBSCOhost |