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
Data Recording, Analysis and Presentation
Percentages, fractions, ratios and graphs
- 3 things to know
- Component 01
Overview
Recall questions on expressing results as percentages, fractions and ratios, frequency tables, choosing line graphs, pie charts, bar charts, histograms and scatter diagrams, and calculating a pie chart angle.
What you need to know
Answer each one before you reveal it.
A researcher has the mean number of errors made by four separate groups. State which form of display is appropriate and why.
What is a frequency table used for?
Questions from this subtopic
Each one with the model answer underneath.
- 1
In a sample of 40 participants, 12 gave the same incorrect answer. Express this as a percentage.
Model answer
It is 30% of the sample.
- 2
Express 18 out of 24 as a fraction in its simplest form.
Model answer
It is 3/4.
- 3
In a study, 45 participants conformed and 15 did not. State the ratio of conformers to non-conformers in its simplest form.
Model answer
The ratio is 3:1.
- 4
What is a frequency table used for?
Model answer
Recording how many times each score or category occurs in a set of data, usually by tallying.
- 5
When is a line graph the appropriate form of display?
Model answer
When showing how a variable changes continuously, for example across successive trials or over time.
- 6
When is a pie chart the appropriate form of display?
Model answer
When showing how a total divides into proportions, with each slice representing a share of the whole.
Other ways to work this
The same content, four other ways.
What is inside Levo
Six ways to work the same material.
Every question in Data Recording, Analysis and Presentation, on a schedule.
Attempt a question from memory, write the correct version, then attempt it again. Levo records the jump between your first attempt and your last, and brings each question back on the day you are due to forget it.
Or £46 a year, about £3.83 a month. Cancel anytime.