State the classic example of a positive correlation described in the course materials, and explain what happens to one variable as the other increases, illustrating the defining feature of a positive relationship.
Question: State the classic example of a positive correlation described in the course materials, and explain what happens to one variable as the other increases, illustrating the defining feature of a positive relationship.
Sample answer: A classic example of a positive correlation is the relationship between an individual's height and weight. As a person's height increases, their weight also tends to increase. This demonstrates the defining feature of a positive correlation: the two variables change in the same direction.
Key points:
- Identify the relationship between height and weight as the classic example of a positive correlation.
- State that as height increases, weight also tends to increase.
- Explain that the two variables in a positive correlation change in the same direction.
Rubric: To receive full credit, the response must identify height and weight as the classic example of a positive correlation, state that as height increases, weight tends to increase, and explain that a positive correlation means the two variables change in the same direction.
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Research Methods in Psychology - 4th American Edition @ KPU
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