Quantitative interviews and Statistics

Question 1

What is correlation?

Answer 1

An approach to the analysis of relationships between variables

• seeks to assess the strength of the relationship between variables

Question 2

What is causation?

Answer 2

A concern with establishing causal connections between variables

Question 3

What is a univariate analysis?

Answer 3

Analysing one variable at a time

Question 4

What is a bivariate analysis?

Answer 4

Analysing relation between two variables

Question 5

What is a multivariate analysis?

Answer 5

Analysing relations between three or ore variables

Question 6

What are descriptive statistics?

Answer 6

Summaries characteristics of a dataset

Question 7

What are inferential statistics?

Answer 7

Allows for hypothesis testing and assessment of generalisability of dataset

Question 8

What are the types of categorical variables?

Answer 8

• Binary
• Nominal
• Ordinal

Question 9

What are the types of continuous variables?

Answer 9

• Interval
• Ratio

Question 10

What are binary variables?

Answer 10

Only two different categories

e.g. dead or alive

Question 11

What are nominal variables?

Answer 11

More than two different categories

e.g. Muslim, Christian, Buddhist, Jewish…

Question 12

What are ordinal variables?

Answer 12

• More than two different categories
• Order is important

e.g. Likert scale

Question 13

What are interval variables?

Answer 13

• More than two different scores
• Order is important
• Distance between categories is the same

e.g. temperature in Celsius

Question 14

What are ratio variables?

Answer 14

• More than two different scores
• Order is important
• Distance between categories is the same
• Meaningful zero point

e.g. age, income, reaction time