Define the terms control and manipulation. Describe a...

Name: Problem 3, Chapter 7: Research Methods for Business: A Skill Building Approach
Uploaded: 2019-07-21T01:16:03-08:00
Duration: 56 s
Channel: Keenan Mintz
Description: Define the terms control and manipulation. Describe a possible lab experimen where you would need to control a variable. Include also a possible variable ove: which you would have no control but which could affect your experiment.

Define the terms control and manipulation. Describe a possible lab experimen where you would need to control a variable. Include also a possible variable ove: which you would have no control but which could affect your experiment.

Key Concepts

Control

Control refers to the process of keeping certain variables constant throughout an experiment so that their effects do not confound the outcome. It is crucial in experimental design to isolate the relationship between the manipulated variable and the measured outcomes, ensuring that observed changes are due to the variable of interest rather than external influences.

Manipulation

Manipulation involves deliberately changing or varying one or more independent variables to investigate their effects on the dependent variables. This element of experimental design enables researchers to test hypotheses by observing how modifications in one factor influence the response in another, thereby establishing cause-and-effect relationships.

Independent and Dependent Variables

In an experimental setting, the independent variable is the one that is manipulated by the researcher, while the dependent variable is the outcome measured to assess the impact of the manipulation. This distinction is key in designing experiments where deliberate changes are made and their results are evaluated, ensuring clarity in understanding causal relationships.

Extraneous or Confounding Variables

Extraneous or confounding variables are factors that are not intentionally manipulated but can affect the outcome of an experiment. Even though they are not under the direct control of the researcher, acknowledging and controlling for these variables is critical since their uncontrolled influence can distort the experimental results and lead to inaccurate conclusions.

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