Loading...
Loading...
"How many interviews do we need?" is the most common question in research planning. Enter your parameters and get the exact number, plus cost and time comparisons.
95% is the standard for most research studies. 99% is used for high-stakes decisions.
Leave blank for an unknown or very large population. Enter the total number of people in your target group for a more precise estimate.
Required Sample Size
385
interviews needed
Cost with ReadingMinds
Quoted
above the 50/mo free plan, quoted by volume
Cost with Traditional Agency
$57,750
at $150 per interview (industry standard)
You Save
Ask us
This sample size runs past the 50/mo free plan. Tell us your volume and we will quote it.
Time Comparison
48 hours
ReadingMinds
6-8 weeks
Traditional Agency
These estimates assume one interview per participant. ReadingMinds AI voice interviews average 10 minutes each with 90%+ completion rates.
See how ReadingMinds captures emotional signals that surveys miss. Try a 3-minute AI voice interview yourself.
Start 3-Minute Live Test Drive