Learn Before
Examples of Categorical Variables
Categorical variables represent qualities that are measured by assigning a descriptive label or category to each individual rather than a numerical amount. Common illustrations of categorical variables include a student's chosen university major (such as Psychology, English, or Nursing), a person's nationality, their current occupation, and whether or not they are receiving psychotherapy.
0
1
Tags
KPU
Research Methods in Psychology - 4th American Edition @ KPU
Related
Mutually Exclusive Categories
Exhaustive Categories
Examples of Categorical Variables
Dummy Variable
Which statement best describes a categorical variable in psychological research?
If a researcher assigns the number '1' to 'Receiving Psychotherapy' and '0' to 'Not Receiving Psychotherapy,' the variable is still considered categorical because the numbers serve as labels rather than representing a numerical quantity.
A researcher investigating different treatments for depression records whether each participant receives 'Cognitive Behavioral Therapy,' 'Interpersonal Therapy,' or 'No Treatment.' Because these categories are descriptive labels used to classify participants rather than numerical measurements, the researcher is measuring a(n) ________ variable.
In psychological research, variables must be analyzed to determine if they represent quantities or qualitative characteristics. Match each research variable with the analytical reasoning that justifies its classification as a categorical variable.
A researcher is determining whether the variable 'Type of Psychotherapy' should be classified as categorical in their clinical study. Arrange the steps of the researcher's evaluative process in the logical order required to justify this classification.
Which of the following is an example of a categorical variable as defined in psychological research?
In psychological research, variables are classified based on the nature of the information they provide. Match each term associated with categorical variables to the statement that best describes its conceptual role or meaning.
A researcher studying occupational stress records each participant's job title (e.g., 'Teacher,' 'Nurse,' 'Engineer') and then computes the arithmetic mean of those job titles to summarize the group. This approach is appropriate because job title is a categorical variable.
A researcher records each participant's declared academic major (e.g., Psychology, Biology, Engineering). Because academic major assigns descriptive category labels rather than ordered or numerical scores, the researcher correctly identifies the _____ level of measurement and reports frequency counts rather than a mean.
A researcher wants to include the variable 'Employment Status' (Employed, Unemployed, Student) as a predictor in a multiple regression model. Arrange the following steps in the logical order that best reflects sound research-methods reasoning for incorporating a categorical variable into regression.
Define what a categorical variable is in psychological research, explain how it is typically assessed, and state the types of examples provided in the textbook context.
Explain why the variable 'job sector' in this scenario is classified as a categorical variable. How does this classification align with the definition of assessing qualities rather than numbers?
A clinical psychologist is tracking patients and records their age (in years), their current occupation (e.g., 'Teacher'), and whether they are receiving psychotherapy (e.g., 'Yes' or 'No'). Identify which of these variables are categorical variables, and briefly apply the definition to justify your choice.
Learn After
Which of the following is an example of a categorical variable?
In psychological research, categorical variables are used to classify individuals into groups based on qualitative labels. Match each variable name with the specific example of how it would be measured as a categorical variable.
In a study on peer pressure, a researcher records whether each participant 'conformed' or 'did not conform' to a group's decision. Because this measurement involves assigning a qualitative label to each individual rather than a numerical amount, it is an example of a categorical variable.
In a study evaluating student well-being, a researcher collects data on university major, number of hours spent studying, and whether the student is receiving psychotherapy. To perform a comparative analysis, the researcher must distinguish the qualitative markers from the numerical measurements. By identifying which variables classify individuals into groups rather than representing a numerical amount, the researcher determines that 'university major' and 'receiving psychotherapy' are both ________ variables.
Arrange the steps a researcher should follow to evaluate and justify the validity of classifying a variable, such as 'Psychotherapy Status' or 'University Major', as a categorical variable in a psychological study.
A person's current occupation is considered an example of a categorical variable because it is measured by assigning a descriptive label rather than a numerical amount.
In a survey of college students, a researcher records each participant's 'university major'. Which statement best explains why this is considered a categorical variable?
A researcher studying college student well-being plans to measure several variables. Match each variable to the measurement approach that correctly operationalizes it as a categorical variable.
A researcher collects the following variables from university students: chosen major (Psychology, English, Nursing), score on a 50-item stress inventory, nationality, and psychotherapy status (receiving / not receiving). When preparing the dataset, the researcher recognizes that chosen major, nationality, and psychotherapy status — unlike the stress inventory score — cannot be meaningfully _____ because their values are descriptive category labels assigned to individuals rather than numerical amounts.
A research team is evaluating a published study's decision to operationalize 'psychotherapy status' as a categorical variable (coded as 'receiving psychotherapy' or 'not receiving psychotherapy') rather than measuring it quantitatively. Arrange the evaluative steps in the order that best produces a justified, evidence-based conclusion.