For nonprofits & foundations

Your funder wants evidence of impact.
We help you build it.

Program evaluation and impact analysis designed to fit real budgets and real data — so your board, funders, and stakeholders can act on what you find.

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Sound familiar?

Free guide

What funders expect from a program evaluation

Funders want evidence your program caused the outcome, not just that it happened. Here's how to design an evaluation that makes that case.

Read the guide →

What you get

Typical deliverables are listed below. Your proposal specifies the included outputs, available data, timeline and fee. Choose a focused project or ongoing support. See ways to work with DASS →

Representative engagements

Evaluation and impact-analysis work our team has led for public-sector and grant-funded programs.

Legal · Access to Justice · Indiana University

Estimating Indiana's legal needs from existing data

State-level estimates from existing survey data

Identified an existing national legal-needs survey and combined it with Census and American Community Survey data using spatial microsimulation to estimate legal needs among low-income Indiana households. The analysis is documented in Appendix A of the 2019 Indiana Civil Legal Needs Study and Legal Aid System Scan.

Special Education · IES project award: $3.77M

Project PRIME2: sustaining what works in schools

Role: Co-Principal Investigator

Co-Principal Investigator on a federal trial helping educators plan, implement, and maintain evidence-based interventions in real classrooms.

Assessment & Policy · IES project award: $11.7M

A national center for special-education accountability

Longitudinal data across multiple states

Longitudinal analysis and data management for a national R&D center evaluating how states measure school performance for students with disabilities.

$15M+
Total awards for research our team supported
Published
Peer-reviewed research and methods
15+ yrs
Applied statistics — from RCTs to psychometrics
Since 2019
DASS statistical consulting
Methods we work in
Multilevel models Structural equation modeling Bayesian methods IRT & psychometrics Randomized controlled trials Power analysis R & reproducible code
“
We had an unrealistically tight timeline, and Dr. Yel jumped in without hesitation — not only met the deadline, but delivered a little earlier than we anticipated. He took the time to understand the situation behind the data and the implications of every insight. We know who to go to for future work like this.
Research Client
Deadline-critical analysis
“
DASS did a fantastic job. They were patient, clear about the coding, and very responsive to my emails. They took the time to understand the overall goal before proceeding with each step. Highly recommend.
Research Client
Statistical coding & analysis
More program evaluation guides
Do you need a logic model? → Choosing outcome measures → All program evaluation articles →

Common questions

What does a nonprofit program evaluation include?

A typical engagement includes a written evaluation plan, a logic model and outcome-measurement plan, a prepared dataset with documented cleaning steps, analysis with diagnostics, and a plain-language findings summary for your board and funders. Your proposal lists exactly which of these are included.

Do I need a control group?

Only if you want to claim the program caused the outcome. Counting enrollment, satisfaction or before-and-after change needs no comparison group, but a causal claim needs a comparable group to rule out regression to the mean, maturation, broader trends and self-selection. Our guide on when a program needs a control group walks through this.

What do funders expect to see?

Increasingly, outcomes rather than only outputs: a stated theory of change, some form of comparison where feasible, honest reporting of null or mixed results, and enough methodological detail to be checked. See what nonprofit funders expect from an evaluation.

Can you work with data spread across sites or spreadsheets?

Yes. Cleaning and combining records, with documented steps, is part of the work and is listed as a deliverable.

How much does it cost, and how long does it take?

We don't publish a price list because cost depends on scope. The free 30-minute consult ends with a scoped proposal that includes methods, a timeline and a fixed quote, whether or not you hire us. If you have a deadline, such as a resubmission date, tell us on the first call so the timeline is built around it. We reply to inquiries within one business day. See our guide, How much does nonprofit program evaluation cost?, for what belongs in an evaluation budget.

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A free 30-minute consult on your evaluation design — no cost, no obligation.

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