Comparing Maintainability Index, SIG Method, and SQALE for Technical Debt Identification

Table 7

Aggregated results of Granger causality tests (percentage of F-test results).

	True (%)	False (%)	None (%)
SQALE-MI	30	60	10
SQALE-SIG	25	65	10
SIG-SQALE	25	65	10
MI-SIG	15	85	—
MI-SQALE	10	80	10
SIG-MI	10	90	—