<div>This is a lecture presented at the 6th psychometric summer school at the higher school of economics in Moscow in August 2019. This covers essential ideas for conducting factor analysis. Topics include:</div><div>Ordinary Least Squares</div><div>Normal Distribution</div><div>Confidence Intervals</div><div>Covariance/Correlations</div><div>Regression</div><div>Effect size<br></div><div>Multicollinearity<br></div><div>Chi-square</div><div>Outliers<br></div>