Statistical Tests By Factor, Levels, and Groups

One Factor
2 Groups
Between Subjects Design:

One Factor
Two Groups
Within-Subjects Design:

One Factor
3 or More Groups
Between Subjects Design:

One Factor
3 or More Groups
Within subjects Design:

More than one Factor
All factors Between-Subjects:

More than one Factor
All Factors Within-Subjects

More than one Factor
Some between and some within subjects