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Explain how the researchers' actions in this scenario demonstrate the core components and the overarching primary objective of quantitative research.
Case context: A team of psychologists wants to understand the effects of a new memory training technique on vocabulary retention. They formulate a hypothesis that the new technique will improve test scores. They recruit a sample of 400 undergraduate students, instruct them to use the technique, and record their vocabulary test scores as percentages. Finally, they run an analysis of variance (ANOVA) to compare these numerical scores against a control group.
Question: Explain how the researchers' actions in this scenario demonstrate the core components and the overarching primary objective of quantitative research.
Sample answer: The researchers' actions demonstrate quantitative research because they began with a specific research question or hypothesis regarding the memory technique. They collected numerical data by recording test scores as percentages from a sizable sample of 400 participants. They then analyzed this numerical data using a statistical technique (an ANOVA). Their overarching primary objective in using this empirical methodology is to deduce generalizable conclusions about the larger population based on their sizable sample.
Key points:
- Connects the formulated hypothesis to starting with a specific research question.
- Connects the 400 students and percentage test scores to collecting numerical data from a sizable sample.
- Connects the ANOVA to analyzing data using statistical techniques.
- Identifies the primary objective as deducing generalizable conclusions about a larger population.
Rubric: Answers must correctly map the specific events in the scenario (the hypothesis, the test scores from 400 students, and the ANOVA) to the core components of quantitative research, and state the primary objective of drawing generalizable conclusions.
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Research Methods in Psychology - 4th American Edition @ KPU
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