A psychologist records two sets of data during a visual-attention study and plans a chart for each.
| Data set | Data to be displayed |
|---|---|
| P | Time spent looking at a photograph, grouped as 0 to under 2 seconds, 2 to under 4 seconds and 4 to under 6 seconds |
| Q | Feature noticed first: eyes, mouth, hairstyle or clothing |
State whether the bars in the chart for data set P should touch or be separated by gaps.
State whether the bars in the chart for data set Q should touch or be separated by gaps.
173 exam-style questions on OCR GCSE Psychology 7.3 Analysing Research, covering 7.3.1 Types of Data, 7.3.2 Measures of central tendency, 7.3.3 Other descriptive statistics, 7.3.4 Tables, Charts and Graphs, 7.3.5 Reliability, 7.3.6 Validity and effects on validity, and 7.3.7 Sources of bias. Each one has a worked solution and a mark scheme showing where the marks go.