Правильный ответ
Правильный ответ: limited sampling
Варианты ответа
- A.weak funding
- B.long duration
- C.teacher bias
- D.limited samplingверно
Бесплатно, без регистрацииКвалификационный тест (ОЗП) · Английский язык · Вопрос 453 из 499
A study claims digital tools improve outcomes but includes only urban schools. The main limitation is:
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