# Basic data analysis and Graphs Flashcards

1
Q

Quantitative Data

A

A type of data that can be measured numerically by the psychologist, so that statistical analysis can be completed

2
Q

Qualitative Data

A

A type of data that can be observed, but not measured numerically. It usually takes the form of words, thoughts and feelings, and is difficult to analyse

3
Q

Primary sources

A

Information sources/data that is directly collected by the researcher first-hand

4
Q

Secondary sources

A

Information sources/data that have not been directly collected /created by the researcher

5
Q

Frequency tables

A

A chart/table which shows the rate of occurrence (frequency) for a number of measured values/categories.

6
Q

Bar chart

A

A diagram that represents frequencies of non-continuous data.

7
Q

Line graph

A

A diagram that shows a linear representation of frequencies of data.

8
Q

Histogram

A

A diagram that represents the distribution of frequencies for discrete or continuous data.

9
Q

Pie chart

A

A diagram that represents data proportionately, as part of a whole picture of responses.

10
Q

Scattergraph

A

A diagram that represents a relationship/correlation between two or more co-variables.

11
Q

Normal distribution

A

A type of distribution where the mean, median and mode are equal. This can be referred to as a bell curve.

12
Q

Negatively skewed distribution

A

A type of skewed distribution, where the mode is greater than the mean.

13
Q

Positively skewed distribution

A

A type of skewed distribution, where the mode is less than the mean.

14
Q

Measure of central tendency

A

A form of estimation of a mid-point/average in a set of data.

15
Q

Mean

A

The average that is shown by all scores in the data set when they are divided by n.

16
Q

Median

A

The mid-point in a set of data that has been placed in order.

17
Q

Mode

A

The most common value within a set of data.

18
Q

Measure of dispersion

A

A measure that shows the spread of data, whether it is tightly clustered or has a broader spread.

19
Q

Range

A

A value which shows the spread of data, representing the difference between the lowest and highest scores.

20
Q

Standard deviation

A

A value which represents the amount of variation of results from the mean score.

21
Q

<

A

Less than

22
Q

>

A

Greater than

23
Q

A

Greater than or equal to

24
Q

A

Less than or equal to