TABLE 2.

Themes, categories, and subcategories in the book entries and the research question to which they correspond

Theme	Category	Subcategory
Research Question 1: What do peer leaders report they do to create and maintain a conducive environment for effective problem-solving discussions in collaborative groups?
Environment	Leader Attitude	Show positivity
		Prepare for session
		Display professionalism
		Show confidence
	Social Environment	Develop community
		Communicate with students
		Know your students
	Physical Environment	Bring food
		Arrange space
	Group Expectations	Introduce philosophy
		Establish ground rules
Research Question 2: What do peer leaders report they do to manage group dynamics such that all members of the PLTL group participate, including managing different student personalities and maintaining healthy group dynamics?
Group Dynamics	Group Functioning	Use strategic grouping
		Actively monitor
		Remind about philosophy
	Balancing Personalities	Rein in dominant students
		Encourage quiet students
		Strategically pair students
	Promoting Equal Participation	Call on students
		Use turn-taking
		Get students talking
Research Question 3: What do peer leaders report they do to effectively facilitate groups to encourage group learning and collaborative knowledge building across different types of problems, skills, and content?
Facilitation	Pacing Sessions	Move together
		Take breaks
		Move forward
		Get back on track
		Use wait time
	Questioning Strategically	Use redirection
		Guide via questions
		Encourage student explanations
	Motivating Student Learning	Promote preparation
		Provide incentives
	Structuring Sessions	Add variety
		Vary working order
		Review material
	Promoting Group Independence	Allow student struggle
		Encourage self-reliance