Which Test Do I Use? Jack is designing a two-group experiment and asks you which statistical test he should use.The first question you should ask him is:
A)"How many subjects will you run in each condition?"
B)"Is your research hypothesis directional or nondirectional?"
C)"Which level of measurement will you use?"
D)"What significance level are you using?"

Question

Quizplus · Accepted Answer

The choice of statistical test is often determined by the level of measurement of the data (nominal, ordinal, interval, or ratio), as this influences the assumptions that can be made about the data and the types of statistical analyses that are appropriate.

Which Test Do I Use? Jack Is Designing a Two-Group