Category biostatistics
Quasi-experimental study
A quasi-experimental study is a research design that shares similarities with experimental research but lacks randomization and/or a control group. In other words, it involves manipulating the independent variable but lacks some of the key elements of a true experimental…
Simple Linear Regression
Simple linear regression is a statistical technique used to study the relationship between two continuous variables, where one variable is considered the dependent variable and the other variable is considered the independent variable. The goal of simple linear regression is…
Confidence Intervals
A confidence interval is a range of values that is used to estimate an unknown population parameter with a certain degree of confidence, based on a sample from that population. It is a statistical tool that helps us to make…
t-test
T-test is a statistical hypothesis test used to determine whether there is a significant difference between the means of two groups of data. It is a common test used in many fields, including medicine, psychology, and social sciences. The t-test…
Risk Difference
CTSpedia Describes the risk difference with examples. CTSpedia website provides useful tools to clinical and translational researchers. www.ctspedia.org/ Boston University of Public Health A comprehensive lecture note with self assessment question and tips for students. Point Estimation A PPT…
Standard Deviation
Standard deviation The standard deviation tells us how spread out the data is from the mean. It is the square root of the variance. Standard Deviation and Variance Mathfun site describes the SD and variance in very simplest way with…
Kappa test
Kappa test Understanding Interobserver Agreement:The Kappa Statistic Anthony J. Viera, MD; Joanne M. Garrett, PhD Kappa test or Cohen’s kappa is used to measure the inter-observer agreement on categorical scales, such as clinical assessment findings of patients. In this article, the…
Biostatistics slides
Biochemistry lecture notes are an essential resource for students and researchers in the field of biochemistry. They provide a comprehensive overview of the subject matter and help to reinforce key concepts and principles. In this article, we will explore some…