Further on Dylans lec

Question 1

Robustness

Answer 1

the ability of a statistical procedure to produce valid estimated values for a population characteristic (parameter) despite violations of the assumptions on which the procedure is based.

Question 2

Campbells rules of measurement

Answer 2

1. Each object is assigned a single number
2. The sum of two represent the emperical combination
3. This is called concatenation operation

Question 3

Category rules

Answer 3

Selected property on which category is based must be identical within subjects of that group

Mutually exclusive’ If classified in one, cannot be classified in another.

Exhaustive’ Chosen categories must capture all kinds within that property

AKA all must fall into A and only ONE catagory

Question 4

Property vs order

Answer 4

property solely categorises, order gives quanitiy/ relative amount

Question 5

Zero

Answer 5

absolute zero represents absence, like RT

Arbitrary zero is a point in a scale that represents a value, but not absence