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Based on the definition of a quantitative variable in psychological research, explain what it represents and how it is typically assessed. Provide at least two common examples of quantitative variables that might be measured in a study.
Question: Based on the definition of a quantitative variable in psychological research, explain what it represents and how it is typically assessed. Provide at least two common examples of quantitative variables that might be measured in a study.
Sample answer: A quantitative variable is a type of variable that represents a measurable quantity. It is typically assessed by assigning a numerical value to each individual. Common examples measured in psychological research include a person's height, their level of talkativeness, the number of siblings they have, or their score on a depression scale.
Key points:
- Defines a quantitative variable as representing a measurable quantity.
- States that assessment involves assigning a numerical value to each individual.
- Provides a valid first example of a quantitative variable from the text.
- Provides a valid second example of a quantitative variable from the text.
Rubric: A full credit response must state that quantitative variables represent measurable quantities, note that they are assessed by assigning numerical values to individuals, and list at least two correct examples (such as height, talkativeness, number of siblings, or depression scale scores).
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Research Methods in Psychology - 4th American Edition @ KPU
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