t test, no Hyphen

If you're reading this then I have to say, congratulations. Your attention to detail goes way beyond most people's. Despite the fact that t-test (with a hyphen) is pervasive on the Internet a hyphen is not the rule but the exception.

You'll use t test (italicized t, no hyphen) as the standard.

Use t-text (italicized t, with hyphen) as an adjective.

For example:

The hypotheses will be tested utilizing multiple regression and t tests.

The value of the t-test statistics…

See APA (sixth edition) p. 121 for the rule then go feel really good about yourself and your fine attention to detail.