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Titolo:
Sample extensiveness in qualitative nutrition education research
Autore:
Sobal, J;
Indirizzi:
Cornell Univ, Div Nutr Sci, Ithaca, NY 14853 USA Cornell Univ Ithaca NY USA 14853 Univ, Div Nutr Sci, Ithaca, NY 14853 USA
Titolo Testata:
JOURNAL OF NUTRITION EDUCATION
fascicolo: 4, volume: 33, anno: 2001,
pagine: 184 - 192
SICI:
0022-3182(200107/08)33:4<184:SEIQNE>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
ARTHRITIS RESEARCH; FOOD; PERCEPTIONS; SELECTION; PROGRAM;
Keywords:
ethnography; extensiveness; focus groups; interviews; qualitative; sample size; sampling;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
89
Recensione:
Indirizzi per estratti:
Indirizzo: Sobal, J Cornell Univ, Div Nutr Sci, Ithaca, NY 14853 USA Cornell Univ Ithaca NY USA 14853 Nutr Sci, Ithaca, NY 14853 USA
Citazione:
J. Sobal, "Sample extensiveness in qualitative nutrition education research", J NUTR EDUC, 33(4), 2001, pp. 184-192

Abstract

Objective: Extensiveness represents the amount of information gathered in qualitative research. This Study examined sample extensiveness in qualitative nutrition education research. Design: Retrospective analysis was performed on articles published in the Journal of Nutrition Education (JNE) from 1969 to 1999 (Volumes 1 to 31). Subjects: Content analysis was used to code articles and the studies they reported as units of analysis. Outcome Measures: Articles were coded to determine whether they included one Or more studies using qualitative research and, if so, the types of qualitative studies performed, the sample extensiveness of each study, and mention of sample extensiveness limitations in the article. Statistical Analyses: The statistics used were univariate (counts, percentages, means, medians, modes, ranges) and bivariate (chi-square, correlations). Results: Of the published JNE articles, 71 (8%) used qualitative methods, and most (85%) qualitative articles were published in the 1990s. Some (19%)of these articles reported using multiple qualitative methods. The 30 Studies using individual interviews interviewed an average of 45 people (range 15-155). The 38 studies using group interviews averaged 15 groups (range 1-180) and 141 people (range 9-900). Ten studies used observation/fieldwork, and eight used other types Of qualitative research, mixed with patterns of sample extensiveness in those studies. Few articles made specific statements about limitations based on sample extensiveness. Implications: Sample extensiveness in qualitative research in JNE, varied considerably. Future qualitative research would benefit from more explicit attention to sample extensiveness.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/04/20 alle ore 09:40:56