Question: 1.The most common instrumentation method in single-subject research is: testing. the questionnaire. observation. interviewing. 2. The external validity of single-subject research results can be strengthened
1.The most common instrumentation method in single-subject research is:
testing.
the questionnaire.
observation.
interviewing.
2. The external validity of single-subject research results can be strengthened through replication studies involving other individuals.
false
true
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