OCR A-Level Psychology H567
Research Methods and Techniques
Planning and Conducting Research
Data Recording, Analysis and Presentation
Report Writing and Scientific Communication
Practical Activities and the Nature of Science
Mathematical Requirements for Research Methods
Studying and Evaluating the Core Studies: The Common Framework
Core Studies: Social Area
Core Studies: Cognitive Area
Core Studies: Developmental Area
Core Studies: Biological Area
Core Studies: Individual Differences Area
Areas and Perspectives in Psychology
Debates in Psychology
Practical Applications of Psychology
Issues in Mental Health
Child PsychologyApplied option
Criminal PsychologyApplied option
Environmental PsychologyApplied option
Sport and Exercise PsychologyApplied option
Methodological Issues and Debates Running Through Applied Psychology
Mathematical Requirements for Research Methods
Frequency tables, bar charts, histograms and scatter diagrams
- 3 things to know
- Component 01
Overview
Recall questions on frequency tables and tally charts, when to use bar charts and histograms and how they differ, labelling graphs, and recognising positive, negative and no correlation on scatter diagrams.
What you need to know
Answer each one before you reveal it.
When is a bar chart the appropriate display?
What is a frequency table?
Questions from this subtopic
Each one with the model answer underneath.
- 1
What is a frequency table?
Model answer
A table that lists each category or class of scores alongside the number of times it occurred.
- 2
How is a tally chart used during data collection?
Model answer
A mark is made against a behavioural category each time it is observed, and the marks are counted at the end to give the frequency for each category.
- 3
When is a bar chart the appropriate display?
Model answer
When the data is in separate categories or conditions, such as the mean score for each condition of an experiment.
- 4
Why are the bars of a bar chart drawn with gaps between them?
Model answer
The gaps show that the categories are discrete and unrelated, with no continuous scale running between them.
- 5
When is a histogram used instead of a bar chart?
Model answer
When the data is continuous and has been grouped into class intervals along a numerical scale.
- 6
Why do the bars of a histogram touch?
Model answer
Because the intervals form an unbroken continuous scale, so there are no gaps between one class and the next.
Other ways to work this
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