A researcher investigated the impact of auditory environments on reading comprehension. Participants completed a comprehension test (scored out of 50) under one of two conditions.
What does the information from the standard deviation for each condition from this study presented below inform us?
| Standard deviation for each condition | |
|---|---|
| Background lo-fi music | Background office noise |
| 4.12 | 8.45 |
513 exam-style questions on OCR A Level Psychology Data recording, analysis and presentation. Each one has a worked solution and a mark scheme showing where the marks go.