Choosing A Test

Question 1

What is a statistical test?

Answer 1

-determine whether a significant different or correlation exists

Question 2

What 3 factors decide what test is used?

Answer 2

1. is it difference or correlation
2. if its a difference, what experimental design is being used
3. level of measurement

Question 3

What are the 3 options of experimental design?

Answer 3

1. independent groups
2. repeated measures
3. matched pairs

Question 4

What are the 2 related designs?

Answer 4

1. repeated measures
2. matched pairs

Question 5

What is the unrelated design?

Answer 5

-independent groups

Question 6

How do I remember the tests?

Answer 6

Carrots
Should
Come
Mashed
With
Swede
Under
Roast
Potatoes

Question 7

What are levels of measurement?

Answer 7

-quantitative data can be divided into nominal, ordinal + interval

Question 8

What is nominal data?

Answer 8

-data is represented in the form of categories
-discrete - only 1 items appears in 1 category

Question 9

What is ordinal data?

Answer 9

-ordered in some way
-doesn’t have equal interval
-lacks precision

Question 10

What is interval data?

Answer 10

-based on numerical scales
-includes unites of scale
-public scales of measurement