Topic #8 - Reliability, Validity, Quantitative and Qualitative Research

A quantitative research uses … for the data analysis.

• a. Feelings and opinions.
• b. Numbers and figures.
• c. Numbers and feelings.
• d. Words and numbers.

Reliability is …

• a. the opposite of validity.
• b. when researchers are consistent in their data collection procedures.
• c. when the measurement produces consistent results under the same situation.
• d. achieved when researchers using the same measure get similar results.

Validity is achieved when …

• a. researchers are consistent in their use of data collection procedures.
• b. the measurement measures what it is intended to measure.
• c. the independent variable does not vary.
• d. researchers use a different number of questions to ask the same variable.

Qualitative & quantitative research rely on data analysis, but qualitative relies more on researcher’s interpretation.

• a. True.
• b. False.

You conduct interviews to find out how satisfied students are with their study habits.

• a. Quantitative research.
• b. Qualitative research.

Qualitative research uses statistical analysis to prove or disprove a hypothesis based on theory or previous studies.

• a. True.
• b. False.

Pure words, phrases, sentences, and stories are used in the data analysis for …

• a. quantitative research.
• b. qualitative research.

What is the difference between quantitative and qualitative research?

• a. Quantitative research uses numbers, qualitative research uses words.
• b. Quantitative research uses words, qualitative research uses numbers.
• c. Quantitative research uses measurements, qualitative research uses numbers.
• d. Quantitative research uses words, qualitative research uses measurements.

What is the relationship between quantitative and qualitative research approaches?

• a. They are complementary and can be integrated into mixed methods.
• b. They are competing and mutually exclusive.
• c. They are identical and interchangeable.
• d. They are irrelevant and unnecessary in scientific research.

You survey 300 students and ask them to rate on a scale of 1 to 5, how satisfied they are with their lecturers.

• a. Quantitative research.
• b. Qualitative research.