# Glossary (https://terac.com/docs/researchers/support/glossary)

Key terms and definitions for researchers using the Terac platform.

## A [#a]

### Attestation [#attestation]

A verified credential on an expert's profile, such as government ID verification, a verified phone number, or a connected professional account. Attestations are earned once and reused across opportunities.

## C [#c]

### Cost Per Participant (CPI) [#cost-per-participant-cpi]

The total cost for one approved participant: the participant's incentive plus Terac's platform fee. Sometimes quoted as a single number.

### Credits [#credits]

The currency used to pay for participant work on Terac. Credits are purchased upfront and deducted when submissions are approved.

## D [#d]

### Discussion Guide [#discussion-guide]

A structured script of questions and prompts that the AI moderator follows during interviews. Part of a research guide.

## E [#e]

### Expert [#expert]

A verified individual in the Terac panel who can participate in opportunities. Also called a panelist.

## F [#f]

### Feasibility [#feasibility]

Whether Terac can reach and recruit your target audience within your timeline, and at what cost. Checked before launch via filter match counts, the audience feasibility tool, or a feasibility request for niche audiences.

### Filter [#filter]

A demographic, geographic, or professional criterion that determines which experts can see and apply to an opportunity. Filters are applied before experts see the opportunity.

## I [#i]

### Incentive [#incentive]

The reward a participant receives for completing an opportunity, paid out on approval. The incentive is one part of the cost per participant; Terac's platform fee is the other.

### Insight [#insight]

An AI-generated or manually created finding from interview data. Insights include themes, key quotes, and evidence links.

### Internal Panel [#internal-panel]

Terac's pool of verified experts, sourced and vetted by Terac and matched to your opportunity by your filters and screeners.

## M [#m]

### MFA [#mfa]

Multi-factor authentication. An optional security setting that requires a second form of verification when logging in.

## O [#o]

### Opportunity [#opportunity]

A research project posted on Terac with defined criteria, tasks, and compensation that experts can apply to.

### Organization [#organization]

The top-level workspace on Terac. Contains projects, opportunities, team members, billing, and settings.

## P [#p]

### Participant Cap [#participant-cap]

The maximum number of participants an opportunity will recruit. Recruitment stops when this cap is reached.

### Platform Fee [#platform-fee]

Terac's fee on top of participant payouts, covering sourcing, screening, and platform services.

### Project [#project]

A container within an organization that groups related opportunities, research guides, and recordings.

## Q [#q]

### Quota [#quota]

A target number of participants for specific screening answer combinations, used to ensure a balanced sample.

## R [#r]

### RBAC [#rbac]

Role-based access control. The system that determines what each team member can do within an organization.

### Redirect URL [#redirect-url]

Also called a callback URL. The URL a third-party survey or task tool sends a participant back to when they finish, so Terac can record the outcome (completed, screened out, over-quota, or rejected) and review the submission.

### Research Guide [#research-guide]

A comprehensive document containing a discussion guide, screening policy, stimulus materials, and generated insights. Used to power AI-moderated interviews.

## S [#s]

### Screener [#screener]

A qualification question asked during the application flow. Can be auto-graded or manually reviewed.

### Screening Policy [#screening-policy]

Rules attached to a research guide that determine whether a participant qualifies based on their interview responses.

### SSO [#sso]

Single sign-on. Allows members to authenticate through an organization's existing identity provider.

### Stimulus [#stimulus]

Images, videos, or files shown to participants during AI-moderated interviews.

### Submission [#submission]

A participant's end-to-end journey through an opportunity, from application to completion. Tracks state, screening results, task work, and review decisions.

## Quick Reference [#quick-reference]

| Term        | Definition                                            |
| ----------- | ----------------------------------------------------- |
| Attestation | Verified credential on an expert profile              |
| Credits     | Prepaid balance for funding opportunities             |
| Expert      | Verified panelist who participates in opportunities   |
| Filter      | Hard requirement that controls opportunity visibility |
| Opportunity | A research project experts can apply to               |
| Screener    | Qualification question in the application flow        |
| Submission  | A participant's journey through an opportunity        |