There are four main Study types:
Survey: When you’re looking for feedback, comments or opinion from your team, focus group or people who have used a product or service.
Interview: The same type of purpose as a survey but you or your team asking the questions directly of a third party
Self-Tracking: For team members to collect data themselves as they go about tasks throughout their day.
Watch & Learn: Much like the self-tracking option, however a third party would be observing and shadowing a team member as they go about their day.