Glossary of Terms


A concise statement that describes the goal, intended aim or purpose of the program. It is often used interchangeably with goal or intended result.

On-site observation:

A method of research that is performed on the field.

Operations Research:

A process to identify and solve problems in program implementation and service delivery. It involves identifying a problem and testing a strategy to address the problem. The goal is to increase the efficiency, effectiveness, and quality of services delivered by providers, and the availability, accessibility, and acceptability of services desired by users.


A results or effect that is caused by or attributable to the project, program or policy. Outcome is often used to refer to more immediate and intended effects. Related terms: result, effect.

Outcome Evaluation:

This form of evaluation assesses the extent to which a program achieves its outcome- oriented objectives. It focuses on outputs and outcomes (including unintended effects) to judge program effectiveness but may also assess program processes to understand how outcomes are produced.

Outcome goal:

Measurable effects that refers to the desired end result.


A large amount of something that moves or is transferred out of a place.

Optimize (iterate, refine):

Making changes or adjustments to a product to make it more desirable.


The products, goods, and services which result from an intervention.