Types Of Data

Question 1

What is qualitative data

Answer 1

Non-numerical data expressed in words

Question 2

Evaluation of qualitative data

Answer 2

Strength-much broader in scope than quantitative data meaning greater external validity
Weakness-difficult to analyse and find patterns to make comparisons

Question 3

What is quantitative data

Answer 3

Numerical data

Question 4

Evaluation of quantitative data

Answer 4

Strength-easier to analyse and can draw graphs and calculate averages so comparisons can be made
Weakness-less detail than qualitative so lower external validity

Question 5

What is primary data

Answer 5

First hand data collected for the purpose of investigation

Question 6

Evaluation of primary data

Answer 6

Strength- study designed to extract only the data needed, info directly relevant to research aims

Question 7

What is secondary data

Answer 7

Collected by someone other than the person who is conducting the research e.g work if other psychologists or government data

Question 8

Evaluation of secondary data

Answer 8

Strength-inexpensive as desired info may already exist requires little effort
Weakness- quality may be poor, outdated or incomplete

Question 9

What is a meta analysis

Answer 9

A type of secondary data that involves combining data from a large number of studies

Question 10

Evaluation of meta analysis

Answer 10

Strength-increases validity of conclusions, eventual sample size is much larger than individual sample which increases generalisations
Weakness- publication bias, researcher may not select all relevant studies leaving out negative or non significant data

Question 11

What are the 3 measures of central tendencies

Answer 11

Mean
Median
Mode

Question 12

What are the 2 measures of dispersion

Answer 12

Range and standard deviation