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Define experimental research based on its core components. In your definition, list the key practices involved in control, assignment, and manipulation within this method, and state the primary objective of using this approach.
Question: Define experimental research based on its core components. In your definition, list the key practices involved in control, assignment, and manipulation within this method, and state the primary objective of using this approach.
Sample answer: Experimental research is a research method that involves exercising a tremendous amount of control over variables of interest. It is characterized by the randomized assignment of participants to different conditions and the systematic manipulation of an independent variable. The effect of this manipulation is observed on a measured dependent variable, with the ultimate objective of drawing causal inferences.
Key points:
- Experimental research involves a tremendous amount of control over variables of interest.
- It utilizes randomized assignment of participants to conditions.
- It involves the systematic manipulation of an independent variable to observe its effects on a measured dependent variable.
- Its main objective is to draw causal inferences.
Rubric: The answer must define experimental research by including: 1) control over variables of interest, 2) randomized assignment of participants, 3) systematic manipulation of an independent variable and measurement of a dependent variable, and 4) the objective of drawing causal inferences.
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Research Methods in Psychology - 4th American Edition @ KPU
Related
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.
A researcher wants to know whether a new memorization strategy causes higher quiz scores. She recruits 50 participants and allows each person to choose whether to use the new strategy or their usual approach. She then compares the average quiz scores of the two groups. This study qualifies as an experiment because it compares two groups on a measured outcome.
In experimental research, what is the primary objective of systematically manipulating an independent variable and randomly assigning participants to conditions?
Match each core component of experimental research with its specific role in the research process.
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In experimental research, the variable that the researcher systematically manipulates to observe its effects on the dependent variable is called the _____ variable.
An investigator wants to design a study to test a causal hypothesis. Evaluate the logical flow of components in experimental research by ordering these steps from the initial establishment of control to the final research objective.
Define experimental research based on its core components. In your definition, list the key practices involved in control, assignment, and manipulation within this method, and state the primary objective of using this approach.
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