Significance of Paired T test
The Paired T test is a statistical method designed to compare the means of two related groups, assessing whether significant differences exist between them before and after a treatment. It is commonly used to analyze the changes in measurements taken at different times on the same subjects, such as in clinical studies to evaluate treatment effects. This method helps in understanding the impact of interventions by identifying variations in outcomes across related samples, thereby providing insights into effectiveness.
Synonyms: Paired sample t-test
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The concept of Paired T test in scientific sources
The Paired T test is a statistical method for comparing means of related groups, such as assessments before and after an intervention, assessing significant differences in outcomes from measurements taken at different times.
From: The Malaysian Journal of Medical Sciences
(1) The paired t test is a statistical method employed to assess differences in the ulnar artery's diameter between females and males and also the right and left sides.[1] (2) A paired t test was used to compare data that were normally distributed, which is a statistical test used in the analysis.[2] (3) The statistical test used to determine the difference between the pretest and posttest scores, measuring the impact of the seminar on knowledge improvement.[3] (4) This is a statistical test that is used to analyze the data collected from the study, to compare the results before and after the parent training.[4] (5) Paired t-test was applied to the calculated expression data to obtain Differential Gene Expressions, and genes with a P-value less than 0.01 were considered significantly altered.[5]