REVIEW QUIZ IN PR2

1. 1. Which of the following research titles best represents a correlational design?

• A. Study of average hours students spend on homework

• B. Effect of memory-enhancement drug on recall

• C. Relationship between screen time and academic performance

• D. Comparison of student anxiety across two age groups

2. 2. A researcher investigates how online learning platforms affect reading comprehension using random assignment. What type of design is applied?

• A. Descriptive

• B. Correlational

• C. Experimental

• D. Ex post facto

3. A study comparing the performance of students from different regions without manipulating any variable is what type of design?

• A. Experimental

• B. Descriptive

• C. Quasi-experimental

• D. Ex post facto

4. Which research design would best suit the title: “How parent’s educational background affects student discipline”?

• A. Correlational

• B. Ex post facto

• C. Quasi-experimental

• D. Experimental

5. A quantitative researcher chooses to use graphs and tables to present results clearly. What characteristic of quantitative research does this show?

• A. Fast data collection

• B. Objectivity

• C. Concise visual presentation

• D. Large sample size

6. Which of the following best describes a dependent variable in an experimental study?

• A. The variable being manipulated

• B. The outcome measured in response to a change

• C. The variable assigned randomly

• D. The unchanging background factor

7. What kind of variable is height, which can take a range of measurable values?

• A. Nominal

• B. Ordinal

• C. Continuous

• D. Categorical

8. Which situation illustrates a weakness of quantitative research?

• A. Predicting student behavior based on test scores

• B. Studying the emotions behind a student’s learning struggles

• C. Comparing the GPA of male and female students

• D. Describing the time spent on schoolwork weekly

9. A public health agency uses statistical data to track the spread of diseases in different regions. How does quantitative research help in this field?

• A. It promotes creative storytelling to explain health issues.

• B. It records personal experiences of patients.

• C. It allows precise measurement and comparison of infection rates.

• D. It emphasizes emotional support for affected individuals.

10. In education, a school wants to assess the effectiveness of online learning. Which action shows the use of quantitative research?

• A. Interviewing students about how they feel about online classes

• B. Observing teacher-student interactions

• C. Conducting a survey to calculate student performance before and after online learning

• D. Asking parents to narrate their challenges at home