Hypotheses, and Statistical Analysis in
Social Science Exam 2026 Questions and
Answers Graded A+
Line of best-fit - Correct answer-The best-fit line is one that minimizes the
variance (the sum of squares of the errors).
Best-fit line - Correct answer-The line that makes the vertical distance from the
actual data points to the regression line's predicted values as small as possible.
Criteria for the best-fit line - Correct answer-Provides a geometric equation for the
line.
Regression with two independent variables - Correct answer-Produces a formula
with a basic structure involving dependent variable (DV), intercept (a),
independent variables (IV), and regression coefficients (b1, b2).
Open-ended questions - Correct answer-Do not provide the respondent with any
answers from which to choose.
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, Text box in open-ended questions - Correct answer-Can have or not have a
character limit.
Advantages of open-ended questions - Correct answer-Allows respondents to
express thoughts in an unstructured format and identify answers researchers did not
think of in advance.
Response rate - Correct answer-Refers to the proportion of persons initially
contacted who actually participate.
Quasi-experimental design - Correct answer-A quantitative research design that
contains treatment and control groups without random assignment.
Strengths of quasi-experimental design - Correct answer-Includes external validity,
internal validity, power, and ease of conduct.
Weaknesses of quasi-experimental design - Correct answer-Includes issues with
external validity, internal validity, power, and struggles with confounding
variables.
Power in research - Correct answer-The likelihood/probability of a significance test
detecting an effect when there actually is one.
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