Angela is an expert on issues relating to anxiety disorders within the adult population. As a senior researcher, she has always attempted to operationalise her experiments and any key terms she uses. These practices are important because

Question

BlackTom AI · Accepted Answer

Operationalisation defines abstract concepts (like "anxiety") in specific, measurable terms so that they can be observed, measured, and tested.

1. Relevant knowledge points and concepts
- Operationalisation: translating theoretical constructs into observable measures (e.g., using a standardized questionnaire score, physiological measures, or behavioral tasks to represent "anxiety").
- Replicability and reliability: clear operational definitions allow other researchers to apply the same procedures and measures so results can be checked and repeated.
- Validity and transparency: operationalisation supports construct validity (ensuring the measure actually taps the intended concept) and methodological transparency.

2. Step-by-step reasoning
- Step 1: Angela identifies an abstract construct (anxiety).
- Step 2: She chooses specific indicators (e.g., Beck Anxiety Inventory score, heart rate variability, diagnostic criteria).
- Step 3: She documents exact procedures, instruments, scoring rules, and timing.
- Step 4: Another researcher can follow these documented steps and use the same measures.
- Step 5: If the other researcher obtains similar results, the original findings are supported; if not, they can investigate measurement or contextual differences.

3. Intermediate steps (methodological detail)
- Specify sample selection criteria, measurement instruments with psychometric properties, scoring thresholds, and administration protocols.
- State any preprocessing or exclusion rules so others reproduce identical conditions.

4. Why the correct answer is correct
Because operationalisation turns vague concepts into concrete, repeatable procedures, it enables replication. Replication is a cornerstone of scientific credibility: identical operational definitions and procedures allow independent researchers to test whether findings hold under the same conditions.

5. Why the other options are incorrect
- "They confirm her intuitions": Operationalisation allows testing of intuitions, but does not automatically confirm them — results may support or refute intuitions.
- "They reinforce the importance of her studies": Clear definitions improve rigor but do not by themselves make a study important; importance is judged by impact and evidence.
- "They ensure that she remains sceptical": Operationalisation promotes rigorous testing, but scepticism is an attitude, not guaranteed by operational definitions.

6. Conclusion
Therefore, the best answer is: They enable her studies to be replicated by others, which matches the provided correct answer.

Angela is an expert on issues relating to anxiety disorders within the adult population. As a senior researcher, she has always attempted to operationalise her experiments and any key terms she uses. These practices are important because 单项选择题

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