FIU CCJ4700 Research Methods and Analysis Quiz 2 Latest 2022

Question 1If a researcher was trying to understand the role of education on years of experience, years of experience would be considered the ______.

dependent variable

 continuous variable

 independent variable

 control variable

Question 2In the _________ phase, we try to make sense of or the observed phenomenon or event.

rationalization

 observation

 exploration.

 validation

Question 3If a researcher is trying to understand the role of gender on education, gender would be considered the ______.

continuous variable

 control variable

 independent variable

 dependent variable

Question 4One of the goals of research is to understand the influence of the ______.

independent variable on the control variable

 control variable on the independent variable

 independent variable on the dependent variable

 control variable on the dependent variable

Question 5______________ may have progressive levels of abstraction.

concepts

 indicators

 variables

 attributes

Question 6Literature reviews are typically done prior to conducting new research.

True

 False

Question 7The first step in constructing a research question is ______.

narrowing the topic

 picking a topic

 picking a purpose

 constructing a research question

Question 8While a model tries to explain a phenomenon, a theory tries to represent a phenomenon.

True

 False

Question 9Data analysis is only qualitative.

True

 False

Question 10Conservatives and liberals tend to have very different perceptions of the role of government in people's lives, and hence, have different opinions on how to solve social problems.

True

 False

Question 11If the correlation between variables is 0.70 the percentage of the shared variance is ______.

70%

 51%

 49%

 30%

Question 12When interested in examining how one variable changes in relation to another, which of the following descriptive statistics would you want to use?

standard deviation

 variance

 correlation

 mean

Question 13If you wanted to compute the correlation between two nominal-level variables, which type of correlation should you use?

point biserial

 phi

 Pearson

 Spearman rank

Question 14In a correlation matrix, the numbers above and below the diagonal row of 1.00s are a mirror image of themselves.

True

 False

Question 15When testing partial correlation, the impact of a third variable is ______.

removed

 added

 explored

 reduced

Question 16When data points group together in a cluster from the lower left-hand side of the xy axis to the upper right-hand side, what is this?

positive slope

 negative slope

 negative intercept

 positive intercept

Question 17Who invented the Pearson's productâ€"moment correlation coefficient?

Fisher Pearson

 Pearson Fisher

 Karl Fisher

 Karl Pearson

Question 18The correlation between variable X and variable Y is represented by which of the following?

Rx / y

 rx(y)

 R(xy)2

 rxy

Question 19If you wanted to compute the correlation between one nominal-level variable and one interval-level variable, which type of correlation should you use?

phi

 point biserial

 Pearson

 Spearman rank

Question 20Which of the following correlations represents a weak relationship?

 -0.46

 -0.86

 -0.26

 -0.66

Question 21When writing a research hypothesis, what type of letters are used?

Latin (English)

 Greek

 Roman

 Arabic

Question 22                   The hypothesis that posits no relationship between the variables in your study is the ______

nondirectional hypothesis

 directional hypothesis

 research hypothesis

 null hypothesis

Question 23Which of the following represents a research hypothesis?

H1: μ1 > μ2

 H0: μ1 = μ2

 H1: X1 < X2

 H1: X1 = X2

Question 24Having a large degree of sampling error does NOT affect generalizability.

True

 False

Question 25A hypothesis that reflects the difference between groups but does NOT specify the direction of the difference is a(an) ______.

 directional research hypothesis

 null hypothesis

 error hypothesis

 nondirectional research hypothesis

 

Question 26What does generalizability mean?

Results apply only to the sample studied.

 The sample does not represent the population.

 Sampling error is high.

 Results may be applied to the population studied.

Question 27           If you are unsure whether the null or research hypothesis is true, you can assume that the research hypothesis is true.

 True

 False

Question 28Which of the following symbols represents the first research hypothesis?

 μ1

 H1

 X1

 H0

Question 29The null hypothesis refers to which of the following?

 multiple samples

 the sample

 the population

 multiple populations

 Question 30If you were to hypothesize that there is a relationship between reaction time and problem-solving ability, you would have a ______.

nondirectional research hypothesis

 hypothesis type that cannot be determined

 null hypothesis

 directional research hypothesis