14 Questions
What is the primary purpose of the design of interventions in health research?
To ensure valid data relevant to the tested hypothesis
What is the independent variable in an experimental research?
The treatment or condition applied to the experimental groups
What is the role of manipulation in true experimental research?
To purposefully change the independent variable
Why is careful choice of the outcome variable essential for the success of an experiment?
To ensure valid data relevant to the tested hypothesis
In comparative experiments, what are groups with specific interventions compared with?
Groups unexposed to interventions
What is the significance of observed differences assessed for in comparative experiments?
Statistical significance
What is the purpose of establishing clear procedural guidelines for application of the treatment in experimental research?
To ensure that the manipulation of the independent variable does not affect the dependent variable
What is the role of control in experimental research?
To prevent the influence of outside factors from affecting the outcome of the study
Why is random selection important in experimental research?
To ensure an accurate representation of the larger population
What is the purpose of random assignment of subjects into groups in true experimental design?
To ensure that the outcome of the study is due to the manipulation of the independent variable
What are inclusion/exclusion criteria in experimental research?
Identification of characteristics making participants ineligible for the study
Why is informed consent essential in experimental research?
To ensure that participants willingly consent to be part of the study
What is one purpose of establishing clear procedural guidelines for application of treatment in experimental research?
To promote consistency in the application of treatment
Why is it important to prevent extraneous variables from influencing the outcome of a study?
To ensure that the outcome is caused by manipulation of the independent variable
Explore the fundamental issues in experimental design, focusing on the sources and control of bias in health research. Understand the comparison of intervention groups with unexposed groups, statistical procedures, and the significance of observed outcomes.
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