Table 2.

Process evaluation components and corresponding measures.

Evaluation Components	Data collection Instruments	Construct	Source	Measurement Frequency
Reach	Review of Attendance Records at Healthy Summer Learners Training	Percent of administration, teachers, and staff attending	Document Review	Annual training prior to HSL program delivery
	Healthy Summer Learners Attendance Records	Mean number of HSL program days attended	Document Review	Daily
Cost	Review of Healthy Summer Learners Budget	Weekly cost per child	Document Review	Annual review following HSL program delivery
Fidelity, Dose Received, Completeness	System for observing staff promotion of physical activity and nutrition (SOSPAN)	Daily time allocated to physical activity and reading instruction. Daily delivery of nutrition education	Researcher Observation	Bi-weekly unannounced visit to HSL program
	Interviews	Teacher perceptions of time allocated to physical activity and reading instruction & barriers to and facilitators of program implementation.	Administration, Teachers, and Staff	Annual following HSL program delivery
	System for observing staff promotion of physical activity and nutrition (SOSPAN)	Implementation of LET US Play principles	Researcher Observation	Bi-weekly unannounced visit to HSL program
	Interviews	Benefits of and barriers to program delivery and attendance	Parents, Administration, Teachers, and Staff	Annual following HSL program delivery
Satisfaction	Interviews	Parents satisfaction with HSL program and willingness to pay for HSL program in the future	Parents	Annual review following HSL program delivery
	Healthy Summer Learners Enjoyment Survey	Mean rating of program enjoyment	Children	Annual during the last week of the HSL program