RESEARCH METHODS 2 LVL OF MEASUEMENT PT 2

Question 1

Quantititative data can be divided into

Answer 1

different levels of measurement

Question 2

state the 3 lvls of measurement

n

Answer 2

nominal
ordinal
interval

Question 3

Nominal Data is

Answer 3

data represented in the form of categories

Question 4

as nominal data is data in categories it’s also referred to as

Answer 4

categorical data

Question 5

Give an example that helps clarify nominal data

Answer 5

ask everyone in class if they liek psych

people who say yes are in one group

people who say no are in another group

Question 6

Nominal data is described as

Answer 6

discrete

Question 7

nominal data being described as discrete means

Answer 7

one item can only appear in one of the categories

Question 8

give an example to clarify nominal data being discrete

Answer 8

if you ask people to name fav football team vote only appears in one category

vote cant be in chelsea and liverpool

Question 9

nominal data can have more than

Answer 9

two groups

Question 10

Ordinal Data is

Answer 10

data order in some way

Question 11

Give an example of Ordinal Data

Answer 11

ask everyone to rat ehow much like psych on a scale from 1 -10

1- dont like psych at all
10 - love psych

Question 12

Ordinal data doesnt have

Answer 12

equal intervals between each unit

unlike interval

Question 13

explain why ordinal data doesn’t have equal intervals between each unit

Answer 13

not make sense to say someone who rated pscyh an 8 enjoys it twice as someone who rates it 4

Question 14

Ordinal Data lacks

Answer 14

precision

Question 15

Why does ordinal data lack perscision

Answer 15

based on subjective opinions rather than objective measures

Question 16

give an exmaple to explain why ordinal data lacks perscions

as in relatd to subjectvivity

Answer 16

what constitutes a 4 or an 8 for people doing the rating may be quite different

Question 17

in the case of IQ test questions derived from a view of what constitutes

still talking about ordinal data

Answer 17

intelligence rather than any universal measurement

Question 18

questionnaires and psych tests dont measure something

Answer 18

real

not observable physical entities whereas reaction times& height are real

Question 19

Questionnaire etc measure

Like before not considered real

Answer 19

psychological constructs

Question 20

since questionniares etc measure psychological constructs ordinal data sometimes referred to as

Answer 20

unsafe data

Question 21

Why is ordinal data referred to as unsafe data

Answer 21

lacks precision

Question 22

due to its unsafe nature ordinal data’s not used as

Answer 22

part of statistical testing

Question 23

as ordinal data is deemed unsafe datta and therfore not used in stat testing what happens instead

Answer 23

raw scores converted to ranks (e.g 1st , 2nd ,3rd)

and ranks (not scores) are used in the calc

Question 24

interval data is based on

Answer 24

numerical scales that include units of equal, preciscley defined size

Question 25

in this sense ID better than what data and why

ID : numerical scales that include units of equal, precise def size

Answer 25

ordinal

more detail is preserved

Question 26

ordinal is ‘better’ than

Answer 26

nominal level

Question 27

things we use to take measurements like stopwatch, thermometer, weighing scales are descirbed as

Answer 27

public scales of measurement

Question 28

what do public scales of measurement produce data based on

Answer 28

accepted units of measurement

time temperature weight

Question 29

using ideas about public measurements and how they produce data based on accepted unit sof measurement give an example of qhen we would have collected interval data

Answer 29

recording how long took eahc student to complete written recall test in psych

Question 30

interval data is descirbed as the most

Answer 30

precise and sophisticated form of data in psychology

Question 31

interval data is descirbed as the most

Answer 31

precise and sophisticated form of data in psychology

Question 32

as well as being descirbed as most precise and sophisticated form of data in psych INterval data is a neccesary criterion for use of

Answer 32

parametric tests