Some research suggests that indoor plants can boost workplace productivity. To investigate this further, a psychologist wants to conduct an experiment to study the effect of introducing green plants into offices on the productivity levels of software developers working at one software firm called 'PixelCraft Solutions' which has a total of 85 employees aged between 22 and 55.
Write a null hypothesis for this study.
201 exam-style questions on OCR A Level Psychology Planning and conducting research. Each one has a worked solution and a mark scheme showing where the marks go.