module 9

Question 1

magnitude

Answer 1

indication of the strength of the relationship between 2 variables
- determined by correlation coefficient

Question 2

scatterplot

Answer 2

a figure that graphically represents the relationship between 2 variables

Question 3

causality

Answer 3

assumption that a correlation indicates a causal relationship between 2 variables

Question 4

directionality

Answer 4

inference made with respect to the direction pf a causal relationship

Question 5

3rd variable problem

Answer 5

correlation between 2 variables being dependent on another variable

Question 6

partial correlation

Answer 6

measuring 3 variables and statistically removing effect of the 3rd from the correlation of the other 2

Question 7

restrictive range

Answer 7

variable that is truncated and has limited variability

Question 8

person-who argument

Answer 8

arguing that a well-established statistical trend is invalid because we know a “person who” went against the trend

Question 9

when to use t-test

Answer 9

when there’s only one iv

Question 10

when to use ANOVA

Answer 10

multiple ivs