Regression Analysis Flashcards
1
Q
What is regression?
A
focuses on predicting variance in an outcome variable (DV) from predictors (IV)
2
Q
What is another term for outcome (DV) variable?
A
criterion and response variable
3
Q
How does regression predict variance?
A
through creating statistical models
e.g line of best fit also known as regression line is a statistical model
4
Q
What is the formula for a straight line?
A
Y = bX + a
y = criterion variable (DV)
b = slope of line
X = predictor variable (IV)
a = intercept
5
Q
What is Bivariate regression?
A
summarises and studies relationship between 2 variables
6
Q
What is multiple Regression?
A
increase the amount of variance explained by model by including additional variables
