In research studies, a dependent variable is the variable that researchers measure to assess the effect of an independent variable. Among the choices given:

1. **Age**: This is an independent variable as it is a characteristic that can influence other responses.

2. **Test scores**: This is a dependent variable, as it reflects the performance outcome influenced by various factors (such as teaching methods, prior knowledge, etc.).

3. **Gender**: This is typically considered an independent variable, as it categorizes groups but does not change based on another variable in the study context.

4. **Ethnicity**: This is also an independent variable, serving as a category for analysis rather than an outcome measure.

### Summary
Thus, the correct answer is **Test scores**, as it represents the outcome that is assessed in relation to other influencing factors.

Question

In research studies, a dependent variable is the variable that researchers measure to assess the effect of an independent variable. Among the choices given:

1. **Age**: This is an independent variable as it is a characteristic that can influence other responses.
  
2. **Test scores**: This is a dependent variable, as it reflects the performance outcome influenced by various factors (such as teaching methods, prior knowledge, etc.).

3. **Gender**: This is typically considered an independent variable, as it categorizes groups but does not change based on another variable in the study context.

4. **Ethnicity**: This is also an independent variable, serving as a category for analysis rather than an outcome measure.

### Summary
Thus, the correct answer is **Test scores**, as it represents the outcome that is assessed in relation to other influencing factors.

Knowee AI · Accepted Answer

In research studies, a dependent variable is the variable that researchers measure to assess the effect of an independent variable. Among the choices given:

1. **Age**: This is an independent variable as it is a characteristic that can influence other responses.
  
2. **Test scores**: This is a dependent variable, as it reflects the performance outcome influenced by various factors (such as teaching methods, prior knowledge, etc.).

3. **Gender**: This is typically considered an independent variable, as it categorizes groups but does not change based on another variable in the study context.

4. **Ethnicity**: This is also an independent variable, serving as a category for analysis rather than an outcome measure.

### Summary
Thus, the correct answer is **Test scores**, as it represents the outcome that is assessed in relation to other influencing factors.

Which of the following represents a dependent variable in a research study?Group of answer choicesAgeTest scoresGenderEthnicity

Question

Which of the following represents a dependent variable in a research study?

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