What Treatment effect is
Treatment effect is a measure of the effect of a treatment or intervention on a target population. It is usually expressed as a percentage change in the outcome of interest, such as a change in health outcomes or educational performance.
Steps for Treatment Effect:
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Identify the target population and the outcomes of interest.
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Design a study to compare the outcomes of interest in the target population with and without the treatment or intervention.
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Collect baseline data from the target population to measure the outcomes of interest before the treatment or intervention.
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Implement the treatment or intervention.
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Collect follow-up data from the target population to measure the outcomes of interest after the treatment or intervention.
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Compare the baseline data with the follow-up data to determine the magnitude of the treatment or intervention effect.
Examples
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Estimating the effect of a new drug on cancer patients by comparing the health outcomes of a group that received the drug to a control group that did not.
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Examining the effect of a new teaching method on students’ test scores by comparing the scores of a group that received the new method to a control group that received the standard teaching method.
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Assessing the effect of a new weight-loss program on body fat percentage by comparing the body fat percentages of a group that received the program to a control group that did not.