In a research study with more than one research question, the researcher may be using more than one research approach.
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Q12: A researcher predicted that music training would
Q13: A researcher predicted that music training would
Q14: A researcher predicted that music training would
Q15: A masked review indicates that peer experts
Q16: Articles in popular magazines have been peer
Q18: Internal validity and evidence for causation are
Q19: Measurement instruments for dependent variables seldom require
Q20: A study's validity can be reduced if
Q21: Participant characteristics in two groups may appear
Q22: Extraneous variables are well controlled in comparative
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