Non-Experimental Research
Non-experimental research is a broad category of research methodologies defined by the lack of manipulation of an independent variable. Instead of controlling factors, researchers simply measure variables as they naturally occur in real-world or laboratory settings. Although experimental research can provide strong evidence that changes in an independent variable cause differences in a dependent variable, non-experimental research generally cannot. Despite this inability to draw causal conclusions, non-experimental research is still considered extremely important and is utilized in cases where experimental research cannot be carried out.
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References
KPU Research Methods in Psychology - 4th American Edition
KPU Research Methods in Psychology - 4th American Edition
KPU Research Methods in Psychology - 4th American Edition
KPU Research Methods in Psychology - 4th American Edition
KPU Research Methods in Psychology - 4th American Edition
KPU Research Methods in Psychology - 4th American Edition
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Research Methods in Psychology - 4th American Edition @ KPU
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Scientific Method
Applied Research
The Three Goals of Science
Basic Research
Non-Experimental Research
Reporting Scientific Results
Which of the following best describes the process of scientific research?
Constant
Quantitative Variable
Categorical Variable
Abstract Construct
Independent Variable
Dependent Variable
Population
Population
Example of a Variable: Height and Chosen Major
Non-Experimental Research
Variable Distribution
Psychological Construct
Measurement
Operational Definition
Participant Variable
Psychological Measurement
Distribution of a Variable
Which of the following best describes a variable in psychological research?
Example of an Experiment: Note-Taking Method and Learning Performance
Functional Relationship Between Independent and Dependent Variables
A researcher conducts a study to determine if the amount of sleep affects problem-solving skills. One group of participants is allowed to sleep for eight hours, while a second group is only allowed to sleep for four hours. The next morning, both groups are given the same set of puzzles to solve, and the researcher records how many puzzles each participant completes correctly. In this study, what is the independent variable?
Identifying Experimental Variables
Extraneous Variable
Treatment
Non-Experimental Research
Non-Manipulated Independent Variable
Operational Definition
Experimental Manipulation
Experimental Condition
Internal Validity
Manipulation Check
Null Result
In an experimental research study, how is an independent variable defined?
A social psychologist wants to determine if the number of bystanders present during an emergency affects how long it takes for an individual to help. The psychologist stages an emergency in a public space and systematically varies whether there are one, three, or ten other people present. The researcher then measures the time it takes for a participant to intervene and offer assistance. In this experiment, what is the dependent variable?
Example of an Experiment: Note-Taking Method and Learning Performance
Extraneous Variable
Time Series
Confounding Variable
Internal Validity
Null Result
Non-Experimental Research
In an experimental study, which of the following best describes the dependent variable?
Types of Experimental Research
Basic Experimental Design Components
Interpreting Experimental Findings in Psychology
Reporting Research in Psychology
Weakness of Experimental Research: Artificial Settings
Ethical Constraints in Experimental Research
The Core Aim of Experimental Research
Primary Strength of Experimental Research: Establishing Causality
A researcher wants to test if a new note-taking strategy improves exam performance. They teach the new strategy to their morning class and the traditional strategy to their afternoon class. At the end of the unit, the morning class scores significantly higher on the exam. The researcher concludes that the new strategy causes better exam performance. Which of the following statements best analyzes the validity of this conclusion?
Falsifiability
Example of an Experiment: Lighting and Worker Productivity
Field Experiment
Experiment
Inability to Manipulate Variables
Experimental Record Keeping
Non-Experimental Research
Quasi-Experimental Research
Comparison of Internal Validity Across Research Designs
Applications of Surveys
Laboratory Experiment
Single-Subject Research
Match each component of experimental research with its specific role or function in the study design.
Evaluating Research Critically
Notable Researchers in Psychology
Ethics in Psychological Research
Cross-Disciplinary Research Topics in Psychology
Research Dissemination in Psychology
Role of Scientific Research in Guiding Public Policy
Importance of Scientific Research in Personal Decision-Making
Scientific Research as a Tool to Overcome Misconceptions
Research Methods in Psychology
A researcher wants to investigate the common belief that 'venting' anger by yelling or hitting a pillow is an effective way to reduce aggressive feelings. The researcher designs a study where one group of participants is provoked and then hits a punching bag, while a second provoked group sits quietly for the same amount of time. Afterward, the researcher measures the aggressive feelings of participants in both groups. Which of the following statements best analyzes why this approach is a form of psychological research?
Scientific Limitations in Studying the Mind
Role of Psychological Research in Navigating Contentious Issues
Experimental Psychologist
Nonhuman Animal Subjects in Research
Scientific Psychology Blogs
Clinical Practice of Psychology
Basic Research
Applied Research
Psychological Research Participant
Cyclical Model of Psychological Research
Variables in Psychological Research
Research Sample
Experimental Research
Non-Experimental Research
Research Literature
Descriptive Statistics
Inferential Statistics
The Hypothetico-Deductive Method
Field Study
Learn After
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?