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博士 · 博士：研究问题、效度、可重复性

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Which describes a strong research question?

Specific, researchable and tied to a gap in the literature Broad enough that nobody can disprove it A question whose answer is already known

What is a Type I error?

Rejecting a null hypothesis that is true Failing to reject a null hypothesis that is false A calculation mistake

What is triangulation in research?

Using multiple methods or sources to cross-check findings Dividing a sample into three groups Repeating the same test three times

Which sample best supports generalising to a population?

A random sample A convenience sample A volunteer sample

What is the purpose of peer review?

Independent experts assess quality before publication To guarantee the results are correct To help the author find funding

What does it mean to replicate a study?

Repeat it to test whether the results hold Add more references to it Translate it into another language

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