Quantitative Data 1 (5)

Question 1

Operationalising

Answer 1

Definition of phenomenon in terms of the precise procedures taken to measure it

Question 2

An example of nominal

Answer 2

A football player having a number on their shirt

Question 3

Example of ordinal

Answer 3

1st 2nd 3rd in a race

Question 4

Example of interval

Answer 4

Difference between scores 2 and 3 is the same as the difference between 9 and 10

Question 5

Example of ratio

Answer 5

100milliseconds is twice as fast as 200 milliseconds

Question 6

What are descriptive statistics

Answer 6

Ways in which we summarise data

Question 7

Frequency distributions

Answer 7

How many times each score occurred. Also known as histogram

Question 8

Normal distribution

Answer 8

Scores are distributed symmetrically around the centre of the scores

Question 9

Bimodal

Answer 9

Have two scores of equally high value

Question 10

Multimodal

Answer 10

Have several scores of the same value

Question 11

Interquartile range

Answer 11

Distance between upper and lower quartile (in ascending order)

Question 12

Variance

Answer 12

How much scores vary from the mean

Question 13

Standard deviation

Answer 13

The square root of the variance. Tells us how accurate the mean is in terms of all the data. Tells us shape of distribution of data

Question 14

Descriptive or exploratory studies

Answer 14

Describe what something is

Eg case studies

Question 15

Evaluation or outcome studies

Answer 15

Testing the effectiveness of something

Eg therapy

Question 16

Meta-analysis

Answer 16

Statistical summary and analysis of results in a particular field of psychology