Observed Score
How do we calculate a centred score?
Sum of squares (SS)
 What is it a measure of?
 How is it calculated?
When is the sum of squares (SS) larger?
Sum of products (SP)
 What is it a measure of?
 How is it calculated?
When is SP positive? Negative?
Independent vs. Dependent variable
What does a sum of squares and products (SSP) table provide?
Degrees of freedom (df)
True/False: The sum of centred scores is always 0.
How is variance calculated?
How does the standard deviation relate to the variance?
What is the purpose of taking the square root of the variance?
True/False: The ratio between N1 and N approached unity as N increases.
Standard scores
 What are they?
 What is a common form?
What does a z score indicate?
Simple correlation
When is a simple correlation positive? When is it negative?
How is the simple correlation calculated?
What is the standardized sum of products?
Created by Amrit Bhogal
over 2 years ago


Copied by tyson.schierholt
over 2 years ago

