Week 17- Content

Question 1

What assumptions do we need to think about and identify

Answer 1

> validity
measurement
generalizability

Question 2

How do we estimate the association between two variables?

Answer 2

model <- lm(mean.acc ~ SHIPLEY,
data = studytwo)
summary(model)

lm- creates a linear regression model

Question 3

What outcomes do we have to look at for lm(mean.acc ~ SHIPLEY …) and why are they helpful

Answer 3

Slope and intercept

Question 4

How do you calculate a predicted outcome value?

Answer 4

Y = intercept + slope x vocabulary

Question 5

What does the linear model allow us to predict?

Answer 5

The average outcome we can expect given any value of the predictor