. 2011 Feb 3;6(2):e16618. doi: 10.1371/journal.pone.0016618

Table 3. Confound Free Age Contrasts: ProMP with Non-focal Cues.

1^st Author & Year	Exp.	Condition	n_y	n_o	M_y	M_o	Notes
Graf '02 [20]	1	visual^*	60	51	8.53	10.19	cm
Kliegel'08 [60]	1	event^*	79	79	0.71	0.38
Skladzien'10 [61]	2	first naïve^*	30	30	0.92	0.78
Skladzien'10 [61]	2	first preexposed	30	30	0.90	0.85
Uttl'06 [26]	1	visual^*	29	18	9.97	15.53	cm
Uttl'06 [26]	1	auditory	29	18	7.06	15.05	cm
Zimmerman'05 [62]	1	identity^*	80	40	0.98	0.78

Notes. Means limited by severe ceiling effects are printed in bold; cm = continuous measures of ProM (higher scores indicate poorer ProM performance);

identifies independent age contrasts (see Methods).