Methods and formulas for trend tests in Parametric Growth Curve

With exact data, Minitab provides three trend tests:

• MIL-Hdbk-189 (The military handbook test)
• Laplace
• Anderson-Darling

With exact data from multiple systems, Minitab provides the following trend tests:

• MIL-Hdbk-189 (pooled)
• MIL-Hdbk-189 (TTT-based)
• Laplace (pooled)
• Laplace (TTT-based)
• Anderson-Darling

With interval data, Minitab provides only the MIL-Hdbk-189 test.

For information on how to calculate the test statistics for these tests, see Kvaloy and Lindqvist¹.