FRHD3070 Research Methods Quiz 1 (Weeks 3-4) Questions with Detailed Verified Answers

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FRHD3070 Research Methods Quiz 1 (Weeks
3-4) Questions with Detailed Verified Answers

Question: what are the four key things that impact study quality

Ans✅ ✅: study design, study participants, data collection methods / tools and
analysis and interpretation of results

Question: why are three reasons the study design is important

Ans✅ ✅: - tells us the basic characteristics of the study

- tells us what kind of conclusions we can make (descriptive, associations, causality)

- the key component of judging quality of the research

Question: what is the three criteria for determining causality and what
do they mean

Ans✅ ✅: correlation: the cause and effect move together



time order: the cause happens before the effect



non spuriousness: the effect between the cause-effect isnt for any other reason

Question: what are four key characteristics of a high quality experiment

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Ans✅ ✅: - control groups



- randomization




- placebos




- blinding

Question: what is a control group in a research study ? why do we need
them?

Ans✅ ✅: a group of people who dont receive the intervention



people may change during the study perhaps due to time or just the participation in
the study so its good to measure seperate people with and without the intervention

Question: what is randomization in study design, why is it done?

Ans✅ ✅: participants are randomly assinged to experiment or control group



because we want control and experimental group to be as similar as possible

Question: what are placebos in studies ? why do we use them

Ans✅ ✅: fake intervention for the control group (so people dont get the placebo
effect)

Question: how are placebos used in social research?