Appendix 8—table 2. Statistics of mixed-effects regression models predicting parameter values from task (A, B, and C), age, and squared age (months).

Only effects including task are reported. * ${\displaystyle p<.05}$; ** ${\displaystyle p<.01}$, *** ${\displaystyle p<.001}$.

Parameter	Tasks	Predictor		p	sig.
${\alpha }_{+}$	task B & task A	Task (main effect)	0.79	${\displaystyle <0.001}$	***
		Task * linear age (interaction)	–0.025	0.009	**
		Task * quadratic age (interaction)	0.001	0.021	*
	task B & task C	Task (main effect)	0.84	${\displaystyle <0.001}$	***
		Task * linear age (interaction)	–0.012	0.41
		Task * quadratic age (interaction)	${\displaystyle <0.001}$	0.55
	task A & task C	Task (main effect)	0.048	0.70
		Task * linear age (interaction)	–0.12	0.37
		Task * quadratic age (interaction)	${\displaystyle <0.001}$	0.36
$\frac{1}{\beta }$	task B & task A	Task (main effect)	0.49	${\displaystyle <0.001}$	***
		Task * linear age (interaction)	–0.026	0.046	*
		Task * quadratic age (interaction)	0.001	${\displaystyle <0.001}$	***
${\alpha }_{-}$	task B & task C	Task (main effect)	11.70	${\displaystyle <0.001}$	***
		Task * linear age (interaction)	0.58	${\displaystyle <0.001}$	***
		Task * quadratic age (interaction)	–0.013	${\displaystyle <0.001}$	***
Forgetting	task B & task C	Task (main effect)	0.10	0.36
		Task * linear age (interaction)	0.005	0.70
		Task * quadratic age (interaction)	${\displaystyle <0.001}$	0.67