Articles

Statistics

Linear regression

Logistic regression

Assumptions of multiple regression

Error bars

Statistical significance

Chi-square

What exactly is correlation?

Summary statistics: mean and median

Primer on multilevel modeling: Part 1

Biophysiology

Heart rate variability (HRV)

Electrodermal activity (EDA)

Salivary cortisol

Salivary alpha amylase

Research Methodology

Order effects on questionnaires

Recruiting participants

Sampling strategies

Left side of a rating scale is the preferred side when questions framed positively

Real time, In Situ Methodology

Real Time In Situ methods Part 1

Real time, in situ methods: Part 2

Experience sampling schedules

Understanding the Evidence

Difference between statistical significance and effect size

Screening may greatly improve survival rate yet do absolutely nothing for mortality

The Pill Scare of 1995

The test comes back positive. Now what?

Pattern Recognition

Clustering