Research methods exam 5 questions
correctly answered
For survey research, the purpose of random sampling is to obtain a sample that is - correct
answer ✔✔representative of the population
when taking surveys, participants can try to present a positive image of themselves or answer in
a way that they believe is more admirable, a problem referred to as - correct answer ✔✔social
desirability bias
non-response bias on surveys is an important consideration when drawing inferences from the
data because low survey response rates suggest that the participants who are different from
those who haven't returned the survey. - correct answer ✔✔true
a researcher notes a positive correlation b/w smoking and heart disease. Assuming the main
interest of this research is to predict what happens to peoples hearts if they are smokers, -
correct answer ✔✔none of the above
-smoking is the criterion variable
- heart disease is the predictor variable
a researcher discovers a strong correlation b/w the # of hours spent watching tv and the level of
aggression shown at school. What can be concluded? - correct answer ✔✔knowing tv watching
patterns enables a prediction of aggressiveness
to best predict college success from a combination of (1) high school grades, (2) weighted
letters of recommendation, and (3) SAT scores, a college admissions department would
probably use what procedure? - correct answer ✔✔multivariate analysis
correctly answered
For survey research, the purpose of random sampling is to obtain a sample that is - correct
answer ✔✔representative of the population
when taking surveys, participants can try to present a positive image of themselves or answer in
a way that they believe is more admirable, a problem referred to as - correct answer ✔✔social
desirability bias
non-response bias on surveys is an important consideration when drawing inferences from the
data because low survey response rates suggest that the participants who are different from
those who haven't returned the survey. - correct answer ✔✔true
a researcher notes a positive correlation b/w smoking and heart disease. Assuming the main
interest of this research is to predict what happens to peoples hearts if they are smokers, -
correct answer ✔✔none of the above
-smoking is the criterion variable
- heart disease is the predictor variable
a researcher discovers a strong correlation b/w the # of hours spent watching tv and the level of
aggression shown at school. What can be concluded? - correct answer ✔✔knowing tv watching
patterns enables a prediction of aggressiveness
to best predict college success from a combination of (1) high school grades, (2) weighted
letters of recommendation, and (3) SAT scores, a college admissions department would
probably use what procedure? - correct answer ✔✔multivariate analysis
