research methods ; picking a stats test

LEVELS OF MEASUREMENT
JGG
1 of 21
quantitative data can be divided into different levels of measurement which are?
nominal / ordinal / interval
2 of 21
- nominal data
dfgdf
3 of 21
data represented in form of?
categories
4 of 21
for example being able to cont how many boys and girls in yr goup what are the categories?
boys / girls
5 of 21
why is nominal data discrete?
one item can only appear in one of the categories
6 of 21
- ordinal data
sdgdf
7 of 21
ordinal data is data that is?
ordered in some way
8 of 21
like asking people to do what with how stressed they feel after watching project x?
rate it from one to ten
9 of 21
does it have equal intervals between each unit?
no
10 of 21
e.g would it make sense to say someone that rated an 8 was twice as stressed as someone @ a 4?
no
11 of 21
why does ordinal data lack precision?
based on subjective opinion > objective measures
12 of 21
for these reasons ordinal data sometimes refered to as what kind of data bc lacks precision?
'unsafe'
13 of 21
is it a part of statistical testing?
no
14 of 21
why?
unsafe nature
15 of 21
so what happens to these raw scores?
converted to ranks and its these ranks used in calculation
16 of 21
- interval
dfgd
17 of 21
based on numerical scales with?
units of equal precise sie
18 of 21
why 'better' than ordinal in this sense?
more detail preserved
19 of 21
like stopwatches / thermometers why?
public scales of meaurement that produce databased on accepted units of time
20 of 21
interval most precise and sophisticated form of data and is necessary for use of what kind of tests?
parametric
21 of 21

Other cards in this set

Card 2

Front

quantitative data can be divided into different levels of measurement which are?

Back

nominal / ordinal / interval

Card 3

Front

- nominal data

Back

Preview of the front of card 3

Card 4

Front

data represented in form of?

Back

Preview of the front of card 4

Card 5

Front

for example being able to cont how many boys and girls in yr goup what are the categories?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Psychology resources:

See all Psychology resources »See all Research methods and techniques resources »