X Treatment population Control population 0 Examples: Drug vs. Placebo, Drugs vs. Surgery, New Tx vs. Standard Tx Let X = decrease (–) in cholesterol.
Lecture (14,15) More than one Variable, Curve Fitting, and Method of Least Squares.
Correlation and Simple Linear Regression. Pearson’s Product Moment Correlation (sample correlation r estimates population correlation ) Measures the.
X Treatment population Control population 0 Examples: Drug vs. Placebo, Drugs vs. Surgery, New Tx vs. Standard Tx Let X = cholesterol level (mg/dL);
Overview of Biostatistical Methods
Chapter 4 Scatterplots and Correlation. Chapter outline Explanatory and response variables Displaying relationships: Scatterplots Interpreting scatterplots.
Chapter One and Two_second Lecture_in Class
The Effect Size The effect size (ES) makes meta-analysis possible The ES encodes the selected research findings on a numeric scale There are many different.
Lecture (14,15)
The Effect Size
