Stimatore H-Index — Formula
## How to Calculate Survey Response Rate
The response rate measures what fraction of distributed surveys were returned.
### Formulas
**Response Rate = Responses / Surveys Sent x 100**
**Usable Rate = (Responses - Incomplete) / Surveys Sent x 100**
**Completion Rate = Usable / Total Responses x 100**
### Benchmarks
- Online surveys: 20-30% is typical
- Mail surveys: 30-50%
- In-person surveys: 50-80%
- Response rates below 20% raise concerns about non-response bias.
The response rate measures what fraction of distributed surveys were returned.
### Formulas
**Response Rate = Responses / Surveys Sent x 100**
**Usable Rate = (Responses - Incomplete) / Surveys Sent x 100**
**Completion Rate = Usable / Total Responses x 100**
### Benchmarks
- Online surveys: 20-30% is typical
- Mail surveys: 30-50%
- In-person surveys: 50-80%
- Response rates below 20% raise concerns about non-response bias.
Esempio Risolto
500 surveys sent, 175 responses received, 25 incomplete.
- Response rate: 175 / 500 x 100 = 35.0%
- Usable responses: 175 - 25 = 150
- Usable rate: 150 / 500 x 100 = 30.0%
- Completion rate: 150 / 175 x 100 = 85.7%