You will be asked whether this instrument is sound before anyone acts on what it says. This page is the technical account: the item structure, the scoring model, the norming base and its limits, and the files that arrive at your office.
For each of eight areas of human need, the NASCE asks the same three questions. Participation alone would produce a headcount. The frequency and depth dimensions are what let the result distinguish an events culture from an engagement culture.
Whether a student serves at all in a given area. Asked separately for each of the eight areas rather than as a single global question.
How often that service happens, on a six-level ordinal scale running from once or twice a year to more than once a week.
The nature of the involvement, on a three-level scale from a single event to a sustained and dedicated relationship.
Students answer on six levels. Scoring collapses them to four, combining levels 2 and 3 and levels 5 and 6. Reports that print four frequency categories are showing the scored form, and the six-level item wording is what students actually saw.
Depth is asked per area. Where a student reports more than one form of involvement in an area, the highest depth reported is the value carried into scoring.
Service that falls outside the eight areas is captured in an open "Other" response and coded back to the area it belongs to. Where it fits none of the eight, it is reported descriptively and held outside the summed service total, so the total stays comparable across institutions and across years.
The NASCE has been fielded since 2009. The comparative base grows with every administration, and the honest description of it matters more to your office than the headline figure does.
The limits, stated plainly. The comparative base is a convenience sample of institutions that chose to administer the NASCE, weighted toward private and Northeastern institutions and toward enrollments under 5,000. It is not a probability sample of American higher education, and we do not present it as one. Peer-group comparison by size, control, affiliation, and region exists precisely so your score is read against institutions that resemble yours instead of against a national mean that the composition of the file would distort.
The POP distribution. Institutional POP scores run from 3 to 52, with a median of 21 and a middle half between 16 and 26. That distribution is computed on the comparative base of 152 administrations; two administrations in the historical file are excluded as non-comparable samples. The comparative file carries an overall EGC figure for 26 administrations. We tell you in writing which comparison set your score is placed against and how it is composed.
The EGC is included with a core administration unless an institution opts out. It measures four civic dimensions, and it scores each one twice: once for engagement, meaning what students report doing and encountering, and once for values, meaning what they say they hold. The gap between the two columns is the finding.
| Dimension | Engagement | Values |
|---|---|---|
| Diversity | 65 | 82 |
| Critical Thought | 65 | 65 |
| Social Justice | 57 | 78 |
| Political Involvement | 53 | Not published |
National figures from the current combined dataset. Overall national EGC score: 60. Regional overalls: Northeast 61, South 61, West 60, Midwest 55. A campus reading 82 on diversity values and 65 on diversity engagement has students who hold a commitment their experience has not met, which is an actionable finding rather than a flattering one.
SPARC runs the administration end to end, which keeps the instrument and the field protocol constant across institutions. Your office supplies the population and receives the analytic output.
Send us the methodology questions your office would ask before endorsing any instrument. The co-directors will answer them directly.
Start the Conversation