Lecture 4 -7

Question 1

What’s the difference between rook-based & queen-based contiguity?

Answer 1

rook based: share a border (like a cross)

queen based share point (all of the squares)

Question 2

T or F?

The output of a Global Moran’s I is a value whereas the output of local moran’s I is a map

Answer 2

T

Question 3

What are the 2 main types of factors for social determinants of health?

Answer 3

• proximal factors (direct impact on health outcome

- Distal factors (indirect)

Question 4

How are standard and spatial error regression different?

Answer 4

spatial regression uses a weight file and the output contains an autoregressive coeffiction

Question 5

List the 2 relational statements and explain each one

Answer 5

• deterministic: 2 variables go together all the time (i.e. the further a car goes, the more gas it uses)
• probabilistic: 2 variables go together with some degree of regularity

Question 6

What is spuriousness?

Answer 6

when 2 variables are associated but not causally related

Question 7

What are the 2 types of causes?

Answer 7

• necessary

- sufficient (i.e. women can get pregnant but that doesnt mean all women are always pregnant)

Question 8

Explain ecological fallacy

Answer 8

drawing conclusions about individuals based solely on the observation of groups

Question 9

What is MAUP?

Answer 9

Modifiable areal unit problem (i.e. problem with boundary change. remember the GIS density example!)