Measurement Flashcards
What is an Ordinal Scale?
it is used to measure the relative quantity of something… such as
- severity of angina (class 1, 2, 3, 4) etc
- severity of pain
- quality of life
- alocohol consumption
*don’t have to be defined as a unit, but labels of each class*
they tell us “how much”
what sort of scale is this?
Ordinal Scale
what are the two keys features of an ordinal scale?
a set of labels
and a set of rules that tell us how to place the labels
What type of scale is this?
What type of scale is questions C2?
nominal/categorical scale
what do ‘nominal scales’ tell us?
they tell us what kind of thing something is - based on agreed upon classifications
they tell us “what” rather than “how much”
what type of scale is a ‘true or false’ scale?
a ‘dichotomous scale’- the most simple type of scale
what type of scale is this?
a dichotomous scale - two options
what is a numeric scale?
tells us ‘how much’ in a literal sense
200mls? 1 Liter?
What types of scales are used in this survey?
A1 = nominal scale
A2= numerical
A3= Ordinal Scale
A4 = Dichotomous
A5= Numerical
A6= Dichotomous
