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Glossary

The language of research, in plain English.

Clear, jargon-free definitions of the research and WhatsApp terms you'll meet across Yazi - from AI-moderated interviews to completion rates.

Methods

How research gets done.

Method

AI-moderated interview

A depth interview run by an AI moderator that asks adaptive follow-up questions in real time, so you can field hundreds of in-depth conversations at once instead of scheduling them one by one.

Method

WhatsApp survey

A structured questionnaire delivered and completed inside WhatsApp, where people answer in a familiar chat thread. Typically higher open and completion rates than web or email surveys, especially in mobile-first markets.

Method

Diary study

A longitudinal method where participants log experiences over days or weeks - text, photo, voice or video - to capture behaviour as it happens rather than as it is remembered.

Method

Conversational research

Research designed to feel like a natural chat rather than a form, which keeps people engaged and produces deeper, more honest answers.

Method

Mobile ethnography

In-the-moment qualitative research captured on a participant's phone - photos, video and notes from real life - to understand behaviour in context.

Method

Longitudinal research

Research that follows the same participants over time to reveal how attitudes and behaviours change, rather than capturing a single moment.

Approaches

The two ways to ask.

Approach

Qualitative research

Open-ended research that explores the why behind behaviour through interviews, diaries and discussions, producing rich, narrative insight rather than numbers.

Approach

Quantitative research

Structured, numbers-based research — typically surveys at scale — used to measure and compare attitudes and behaviours across a large sample.

Metrics

What you measure.

Metric

Completion rate

The share of people who start a study and finish it. WhatsApp-native studies typically see 70–90% completion, well above most web and email surveys.

Metric

Response rate

The share of invited people who take part in a study. Reaching people on a channel they already open every day lifts response rates significantly.

Metric

Net Promoter Score (NPS)

A loyalty metric based on one question: how likely someone is to recommend a brand on a 0–10 scale. Scores group respondents into promoters, passives and detractors.

Metric

Customer Satisfaction (CSAT)

A metric capturing how satisfied customers are with a product, service or interaction, usually on a short rating scale immediately after an experience.

Programme

Voice of Customer (VoC)

An ongoing programme of listening to customers through surveys, interviews and feedback to track experience and surface what to improve.

Why it matters

Higher numbers, in the channel people open.

Yazi studies routinely hit 70–90% completion and around +65% higher response than email and web.

Platform & data

How the data comes together.

Platform

Research panel

A pool of pre-recruited, profiled participants who agree to take part in studies, letting you reach the right audience quickly. Yazi has panel reach across 25+ countries.

Analysis

Open-text analysis

Turning free-text answers into structured insight by tagging, theming and summarising them. AI can theme open text automatically at scale.

Platform

Skip logic

Survey logic that shows or hides questions based on previous answers, so each participant only sees what is relevant to them.

Ready to put these into practice?

A 15-minute scoping call. We'll point you to the right method and price the study live.