13/10/2026Veri Anla Utafiti wa sehemu mtambuka unaorudiwa (repeated cross-sectional study) ni muundo wa utafiti unaolinganisha makundi huru ya wanafunzi kutoka miaka tofauti katika muktadha uleule wa elimu bila kuwafuatilia watu wale wale kwa miaka mingi. Tazama zaidi
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