When evaluating the internal validity of a research design, a scientist observes that a quasi-experiment manipulates the independent variable prior to measuring the dependent variable. This established timeline allows the scientist to judge that the design successfully eliminates the _____, which is a significant barrier to causal inference in purely non-experimental studies.
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Research Methods in Psychology - 4th American Edition @ KPU
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In quasi-experimental research, how does the study design effectively resolve the directionality problem?
Arrange the following steps of a quasi-experimental study in the correct chronological order to demonstrate how the design eliminates the directionality problem.
A clinical psychologist introduces a new daily journaling intervention at a residential treatment center and then measures the residents' self-reported anxiety levels one month later. In this quasi-experimental design, the directionality problem is effectively eliminated because the intervention was introduced before the anxiety levels were measured.
Analyze the following research scenario: A clinical psychologist introduces a gratitude-journaling intervention to patients in May and measures their depressive symptoms in August. Match each element of the study with its specific logical role in resolving the directionality problem.
Match each research term with its specific role in how quasi-experiments resolve the directionality problem.
Which of the following best explains the logical advantage of a quasi-experimental design over a simple correlational study in resolving the directionality problem?
When evaluating the internal validity of a research design, a scientist observes that a quasi-experiment manipulates the independent variable prior to measuring the dependent variable. This established timeline allows the scientist to judge that the design successfully eliminates the _____, which is a significant barrier to causal inference in purely non-experimental studies.
A school counselor introduces a peer-mentoring program to at-risk ninth-graders in September and then collects academic self-efficacy scores from those same students in December. Because the program (independent variable) was implemented before the outcome measure (dependent variable) was collected, this quasi-experimental design resolves the directionality problem.
A peer reviewer examines a quasi-experimental study in which a sleep hygiene workshop (independent variable) was delivered to college students in week 1 and their academic performance (dependent variable) was measured in week 8. The reviewer concludes that the study resolves the directionality problem because the established _____ between manipulating the independent variable and measuring the dependent variable clarifies which variable is the potential cause and which is the effect.
A student is critically evaluating whether a quasi-experimental design successfully resolves the directionality problem. Place the following appraisal steps in the order the student should apply them to reach a well-justified judgment.
Describe how a quasi-experimental design eliminates the directionality problem. Specifically, identify the chronological sequence required between the independent and dependent variables, and explain how this sequence clarifies their relationship.
Explain why the researcher's quasi-experimental design successfully avoids the directionality problem compared to the correlational alternative.
You are designing a quasi-experimental study to test whether a new reading comprehension program improves student test scores. How would you sequence your independent variable (the program) and dependent variable (test scores) to ensure the directionality problem is resolved?