Describing Qualitative Data

Question 1

Nominal level

Answer 1

Categorising and coding participants responses. E. G female or male. Extrovert or introvert. Left-handed or right handed.
Numbers or codes given to each grouping for example left-handed 1/right handed 2.

Question 2

Ordinal level

Answer 2

Allows data to be placed in order according to rank or according to a rating scale for example participants maybe showing photographs of 10 faces and be asked to put them in rank order of attractiveness

Question 3

Ordinal

Answer 3

Ordinal data only provides information about the order it doesn’t detail the size of the difference between the items on the scale.eg. f-scale

Question 4

Interval level

Answer 4

This tells us the order of the scale but it also tells us about the size of the difference between the items of the scale.

Question 5

Mean

Answer 5

Add up all the scores then divide by the number within the group

Question 6

Mean

Answer 6

describing an average score

Question 7

Inferential statistics

Answer 7

Statistical tests that permit conclusions to be drawn from quantitative data from research

Question 8

Range

Answer 8

The spread of data. A measure of dispersion representing the difference between the smallest and the largest score in a data set.

Question 9

Calculating the range

Answer 9

Taking the smallest or most value in the data set away from the largest or highest.
Caution: this only provides information about the difference between the smallest and largest it doesn’t tell us about the other scores in between them.

Question 10

Variance

Answer 10

A measure of dispersion

Question 11

How do we calculate the variance

Answer 11

Subtract the mean from each score and square the result. you’ve then have an average of these values I By taking the √ of the variance to standard deviation can be calculated.

Question 12

Descriptive statistics

Answer 12

Used to describe features of a dataset for example the mean and the standard deviation

Question 13

The results section of a experimental report has three key functions

Answer 13

1. Describe the data collected using the statistics mainly presented in tables and graph form

2 to report the results of other analysis using inferential statistics which allows conclusions to be drawn

3. To confirm if the report supports the hypothesis.

Question 14

Semantic scale

Answer 14

Is scale with opposite adjectives at each end for example good …..bad, high quality….. low quality, superior….. inferior .