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Identify which refinement strategies Dr. Aris is implementing in his new study compared to the original research, and explain why these adjustments will allow him to generate novel insights.
Case context: Dr. Aris is reviewing classic research showing that male and female university students in the United States and Mexico speak about the same number of words daily. He wants to conduct a follow-up study on gender differences in talkativeness but wants to ensure his study yields novel scientific insights rather than just replicating the old findings. He decides to run his study on retired elderly individuals in Japan and track the number of different people they converse with each day.
Question: Identify which refinement strategies Dr. Aris is implementing in his new study compared to the original research, and explain why these adjustments will allow him to generate novel insights.
Sample answer: Dr. Aris is implementing two refinement strategies. First, he is shifting the target population (contextualizing) by studying retired elderly individuals in Japan rather than university students in the US and Mexico. Second, he is altering how the core variable 'talkativeness' is measured by tracking the number of different conversational partners daily instead of counting the total words spoken per day. These adjustments allow him to test whether the gender similarities hold true across different age groups and cultural contexts, and whether the pattern changes when looking at the breadth of social circles.
Key points:
- Shifting target population/culture (retired elderly in Japan vs. US/Mexico university students).
- Altering the measurement of talkativeness (number of unique conversational partners vs. daily word count).
- Generating novel insights by testing generalizability and using different social metrics.
Rubric: Full credit is awarded if the student identifies both refinement strategies (shifting target population/culture and changing variable measurement) and explains how they provide novel insights (testing generalizability to elderly/Japanese populations and examining social circle breadth rather than word count).
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Research Methods in Psychology - 4th American Edition @ KPU
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