What is a primary characteristic of quantitative research?

• It focuses on subjective experiences.

• It uses numerical data for analysis.

• It relies on case studies.

• It emphasizes narrative descriptions.

In a study measuring the impact of study hours on exam scores, which of the following is an example of applying quantitative research?

• Conducting interviews with students about their study habits.

• Analyzing the correlation between study hours and exam scores using statistical software.

• Writing a report on students' perceptions of study effectiveness.

• Observing students in a classroom setting.

In a study comparing the test scores of two different teaching methods, which of the following would be an appropriate quantitative research method to apply?

• A) Conducting interviews with students about their learning experiences.

• B) Using a survey to gather opinions on teaching effectiveness.

• C) Performing a statistical analysis of test scores from both methods.

• D) Observing classroom interactions during lessons.

When analyzing the results of a quantitative study, which of the following components is essential to determine the relationship between variables?

• Theoretical framework

• Sample size

• Statistical significance

• Researcher bias

What is the primary purpose of quantitative research?

• To explore subjective experiences

• To collect numerical data for statistical analysis

• To develop theories based on qualitative data

• To conduct interviews and focus groups

In which of the following scenarios would quantitative research be most appropriately applied?

• Understanding the emotions of a group of people

• Measuring the effectiveness of a new drug on blood pressure

• Exploring cultural differences in communication styles

• Analyzing the themes in a piece of literature

If a researcher wants to determine the average income of households in a city, which quantitative method would be most suitable?

• Survey

• Case study

• Focus group

• Ethnography

If a researcher wants to determine the average height of students in a school, which quantitative method would be most appropriate?

• Conducting interviews with students

• Observing students during recess

• Measuring the height of a sample of students and calculating the mean

• Reading articles about student health

What is the definition of a dependent variable in an experiment?

• A variable that is manipulated by the researcher

• A variable that is measured or observed

• A variable that remains constant throughout the experiment

• A variable that is not relevant to the experiment

In a study examining the effect of study time on test scores, which of the following is the independent variable?

• Test scores

• Study time

• Student age

• Classroom environment