A horticulturalist wants to investigate whether pre-treating seeds with a symbiotic mycorrhizal fungi inoculant increases the success rate of propagation for a rare alpine herb (Saxifraga oppositifolia) compared to a standard sterile water soak. The researcher records whether each seed successfully germinates or fails to germinate within a 21-day period.
Outline one strength of collecting nominal data in this study.
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.