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. Author manuscript; available in PMC: 2012 Jul 2.
Published in final edited form as: Memory. 2011 May;19(4):360–377. doi: 10.1080/09658211.2011.570765

Figure 2.

Figure 2

Interaction effects between age (young, middle-aged and older groups) and nature of PM (event-based and time-based conditions) and between age and cognitive load (high and low load conditions). The Y-axis displays the mean scores obtained by each group in the EBPM and TBPM conditions (on the left) and in the low and the high load PM conditions (on the right). t: trend; *p<.05; **p<.01.

Note: ANOVA on 52 subjects demonstrated the same pattern of results except that the main effect of Nature of PM became marginal, F(1, 49) = 3.83; p < 0.06. Post hoc tests revealed that, in EBPM, older group had weaker performance than younger and middle-aged groups (p < 0.001 and p < 0.05). There was no age effect on TBPM. The effect of nature was only significant for the older group (p < 0.01).