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Conditions for Non-Experimental Research
Non-experimental research is the appropriate and often necessary choice when specific characteristics of a research question prevent the use of an experiment. These situations typically occur when the research focuses on describing a single variable, examines non-causal statistical associations, explores broad and subjective experiences, or investigates potential causal links where manipulating the independent variable is practically or ethically impossible.
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Research Methods in Psychology - 4th American Edition @ KPU
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Conditions for Non-Experimental Research
Correlational Research
Longitudinal Research
Cross-Sectional Research
Example of Non-Experimental Research: Traffic Fatalities
Example of Non-Experimental Research: Intersection Observation
Complementary Use of Experimental and Non-Experimental Research
Observational Research
Quasi-Experimental Research
Comparison of Internal Validity Across Research Designs
Applications of Surveys
What is the defining characteristic of non-experimental research?
A study that measures the naturally occurring levels of social media use and self-esteem in a group of high school students to see how they are related is an example of non-experimental research.
Match the core characteristics of non-experimental research with the descriptions that best explain their role in a psychological study.
A researcher conducts a study on the relationship between students' natural sleep patterns and their academic performance by tracking them for a semester. Arrange the following steps in the logical order required to analyze this methodology and determine its scientific boundaries.
A researcher is tasked with designing a study to investigate how the frequency of naturally occurring social interactions in the workplace relates to the overall job satisfaction of employees. Since the researcher cannot ethically or practically assign employees to have more or fewer friends at work, which of the following research plans best constructs a valid non-experimental design for this investigation?
A psychologist is evaluating the most ethical way to study how surviving a natural disaster affects long-term personality. Because the researcher cannot ethically expose participants to such trauma, they must conclude that the most appropriate methodology is _____, even though this design cannot provide definitive evidence that the disaster caused the personality changes.
Non-experimental research methodologies are characterized by the lack of _____ of an independent variable.
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Single-Variable Research
Non-Causal Statistical Relationship
Practical or Ethical Constraints Requiring Non-Experimental Research
Broad and Exploratory Research
Which of the following situations makes non-experimental research the necessary and appropriate choice for a study?
Match each research scenario to the primary condition that makes a non-experimental design the appropriate choice.
A researcher wants to investigate whether experiencing a high-magnitude natural disaster leads to long-term post-traumatic stress symptoms. Arrange the logical steps the researcher would take to analyze and conclude that a non-experimental design is the necessary choice for this study.
When a researcher determines that a research question requires exploring the broad and subjective experiences of survivors of a natural disaster, they are making a scientifically sound judgment by choosing a non-experimental design, as the complexity of subjective experience is fundamentally incompatible with the variable manipulation required for an experiment.
You are tasked with proposing a novel research framework to investigate the 'psychological impact of being a long-term caregiver for a spouse with a chronic illness'. Given that you cannot ethically or practically manipulate the independent variables, which of the following proposals correctly synthesizes the scientific conditions necessary to justify a research design that avoids experimental manipulation?
A researcher must use an experimental design to study potential causal relationships, even when manipulating the independent variable is ethically or practically impossible.
A researcher wants to study the relationship between a person's birth order (e.g., being an only child vs. having siblings) and their level of extraversion. This study must use a(n) _____ design because birth order is a variable that the researcher cannot ethically or practically manipulate.
Read each research scenario and match it to the condition that makes a non-experimental design the appropriate choice for that study.
A social psychologist collects survey data showing that college students who report higher loneliness scores also tend to report lower academic motivation. Because loneliness was measured rather than manipulated, the researcher can establish only a _____ between the two variables and cannot rule out that a third variable—such as depression—accounts for both outcomes.
A researcher wants to study whether early childhood exposure to high levels of air pollution impairs cognitive development in school-age children. She must evaluate whether a non-experimental design is justified and select the best approach. Arrange the following evaluation steps in the correct logical order.