I

Impact analysis

An assessment of a proposed change's effects on a stakeholder or stakeholder group, project, or system.

Implementation subject matter expert

A stakeholder with specialized knowledge regarding implementing one or more solution components.

Indicator

A specific numerical measurement that indicates progress toward achieving an impact, output, activity, or input. See also metric.

Initiative

A specific project, program, or action taken to solve some business problem(s) or achieve some particular change objective(s).

Input (business analysis)

Information is consumed or transformed to produce an output. An input is the information necessary for a task to begin.

Inspection

A formal review of a work product by qualified individuals that follows a predefined process and uses predefined criteria for defect identification and removal.

Interface

A shared boundary between any two persons and/or systems through which information is communicated.

Interoperability

Ability of systems to communicate by exchanging data or services.

Interview

Eliciting information from a person or group in an informal or formal setting by asking relevant questions and recording the responses.

Ishikawa diagram

See the fishbone diagram.

Iteration (business analysis)

A single instance of progressive cycles of analysis, development, testing, or execution.