🍺 Cronbachs Alpha §

= a measurement of Internal consistency used to measure the similarity of items ranging from 0 to 1 (perfect consistency, unrealistic)

📉 Trend §

non-linear correlation between numOfItems and reliability

• 2-10: rapid increase
• 11-30: steady increase
• >40: taper off

It is NOT §

• measure of homogeneity
• measure of unidimensionality