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Uhalali na Uaminifu katika Utafiti

Uhalali na uaminifu ni dhana mbili za msingi katika ubora wa utafiti. Uaminifu unarejelea uthabiti na uwezo wa kurudiwa wa vipimo: je, matumizi ya mara kwa mara ya chombo hutoa matokeo sawa? Uhalali unarejelea ukweli wa dhahania: je, chombo kinapima kile kinachodai kupima, na je, matokeo ya utafiti yanajibu swali la utafiti ipasavyo? Cronbach na Meehl (1955) walitofautisha uhalali wa dhana kutoka aina zingine za uhalali; Campbell na Stanley (1963) waliainisha vitisho vya uhalali wa ndani na wa nje katika miundo ya majaribio; na Messick (1995) aliunganisha dhana za uhalali kama 'kiwango ambacho ushahidi na nadharia vinasaidia tafsiri zilizokusudiwa za alama za vipimo.' Mifumo ya kisasa inajumuisha aina nyingi za uhalali (dhana, kigezo, maudhui, ndani, nje) na makadirio ya uaminifu yaliyolengwa kwa muktadha wa kipimo.

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Uhalali na Uaminifu katika Utafiti
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Vyanzo

  1. Shadish, W. R., Cook, T. D., & Campbell, D. T. (2002). Experimental and Quasi-Experimental Designs for Generalized Causal Inference. Houghton Mifflin. link
  2. Messick, S. (1995). Validity of psychological assessment: validation of inferences from persons' responses and performances as scientific inquiry into score meaning. American Psychologist, 50(9), 741–749. DOI: 10.1037/0003-066X.50.9.741
  3. Cronbach, L. J., & Meehl, P. E. (1955). Construct validity in psychological tests. Psychological Bulletin, 52(4), 281–302. DOI: 10.1037/h0040957

Jinsi ya kunukuu ukurasa huu

ScholarGate. (2026, June 3). Research Validity and Reliability: Concepts and Assessment. ScholarGate. https://scholargate.app/sw/research-methodology/validity-reliability-research

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Imerejelewa na

ScholarGateValidity and Reliability in Research (Research Validity and Reliability: Concepts and Assessment). Imepatikana 2026-06-16 kutoka https://scholargate.app/sw/research-methodology/validity-reliability-research · Seti ya data: https://doi.org/10.5281/zenodo.20539026