QAC exam one

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Which of the following is most likely to represent a "unit of observation" in a data set and how would it be displayed (i.e. representing a row or as a column)? Select one: a. A book (row) b. Number of pages (column) c. A book (column) d. Number of pages (row)

A book (row)

Frequency tables display: Select one: a. Frequencies b. Percentages c. Means d. (a) and (b) e. All of the above

(a) and (b)

What is the "distribution" of a variable? Select one: a. The number of variables in a data set b. What values a variable takes c. How often a variable takes each possible value d. (b) and (c) e. None of the above

(b) and (c)

Which of the following would be the best choice as a unique identifier for individuals in a data set? Select one: a. Date of birth b. Social security number c. First and last initials

Social security number

Which of the following variables is accurately paired with the variable type? Select one: a. Test scores on an exam - quantitative variable b. Age - categorical variable c. Ethnicity - quantitative variable d. a and b e. All of the variables are accurately paired with the correct variable type

Test scores on an exam - quantitative variable

What is (are) example(s) of working with data? Select one: a. Calling in a dataset b. Selecting variables you want to examine c. Sorting the data d. Displaying frequency tables e. All of the above

all of the above

When looking for literature to read and cite for your research project, what sections will this literature include? Select one: a. Results b. Introduction c. Abstract d. Discussion e. All of the above

all of the above

When doing empirical research, in what section of your paper would you describe the sample that you studied? Select one: a. Introduction b. Methods c. Results d. Discussion

methods

For your literature review, you will be focusing on: Select one: a. Primary source literature b. Secondary source literature

primary source literature

The introduction section should conclude with: Select one: a. an abstract b. a summary of past literature on your topic c. the research question d. acknowledgments

research question

What is NOT an example of secondary source literature? Select one: a. Newspaper b. Scientific journal article c. Magazine d. Textbook

scientific journal article

Implications are an important part of empirical research because they relate what you have found in your research to past literature and real-world issues/topics. Select one: True False

true

Statistics is the process of collecting, summarizing and interpreting data. Which of the following is NOT a step in statistical inquiry? Select one: a. Identifying a population b. Selecting a sample c. Conducting exploratory data analysis d. Inference e. All of the above are steps taken in statistical inquiry.

All of the above are steps taken in statistical inquiry.

If a variable has too many response categories, what would be an appropriate data management decision? Select one: a. Create a new quantitative variable b. Collapse response categories c. Aggregate variables d. Label response categories

Collapse response categories

Imagine you are researching depression and want to make a sum of depression symptom variables. What would be an appropriate data management decision? Select one: a. Create a new quantitative variable b. Collapse response categories c. Aggregate variables d. Label response categories

Create a new quantitative variable


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