Many physical design factors can influence human-computer interaction, including input device type, screen orientation, and tactile feedback. For example, some ergonomic research suggests that physical, tactile keys provide haptic feedback that reduces input latency and user errors compared to flat touchscreen surfaces. To investigate this further, researchers want to use the experimental method to study the effect of keyboard type on the speed of digital text entry during a transcription task.
Explain how you would conduct a study using the experimental method to investigate if there is a difference in the time taken to type a standardised 100-word paragraph using a physical tactile keyboard compared to a virtual touchscreen keyboard. Justify your decisions as part of your explanation. You must refer to:
You should use your own experience of practical activities to inform your response.