When would use a paired samples t test

- When to use a paired samples t test
- When would you use a paired samples t test
- When would a researcher use a paired samples t test
- When do you use a paired samples t test
- When do we use a paired samples t test
- When should you use a paired samples t test
- When do i use a paired samples t test
- When would you use a paired samples t test over an independent samples t test