Some research suggests that taking brief power naps during the workday can improve cognitive function and alertness. To investigate this further, a cognitive psychologist wants to conduct an experiment to study the effect of a daily 20-minute afternoon power nap (compared to a standard 20-minute passive screen break) on the concentration levels of software engineers at a large tech company called 'SynapseTech', which has a total of 150 developers aged between 21 and 50.
Explain how you would use the experimental method to conduct this research. Justify your decisions as part of your explanation.
In your answer, the required features that you must refer to are:
You should use your own experience of practical activities to inform your response.
