~ Sixth Edition
A merican Psychological Association • Washington, D C
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i rllll" , I} ,L Sample OM"Experiment Paper (continued)
Running head: E FFECfS O F A GE ON D ETECI10N O F EMOTION
" f : : ; • __ • , . ;
••••• were' 2rSD from each participant's mean (approximately 1.5% o f responses). Median RTs were
five categories o f targets to a 2 x 5 (Age (young, old] x Target Category [positive high arousal,
4 • •••••••••••••••••.•.•.••••.••••••.~~m~~\~, 4A~;j category. RTs for error trials were excluded (fewer than 5%"of all responses) as were RTs that li,hJmh~r"s;
The results described above suggested that there was no influence o f age on the
was from a different emotional category from the dislraclor (e.g., RTs were not included for
are both positive low arousal items). RTs were analyzcd for 2 4 trials o f e ach target emotion
influences o f emotion. T o further test the validity o f this hypothesis, w e submitted the RTs to the
arrays containing eight images o f a cat and one image o f a butterfly because cats and butterflies
,,,,Oldl; 1,24 '.
effects on detection time appeared stable in young and older adults.
Analyses focus on participants' RTs 10 the 120 trials in which a target was present and
revealed only a main effect o f age but no interactions with age. Thus, the arousal-mediated
Running head: E FFECfS O F A GE ON D ElECfION O F EMOTION
software. Before beginning the actual task, participants perfonned 2 0 practice trials 10 assure compliance with the task instructions.
'~Sample One-Exp'eriment Paper (continued)
~ti~tic-s -::: positive low arousal, neutral, negative low arousal, negative high arousal]) repeated measures i Sp,aph)g~: ~Iig~ment,:. , ~G-\">44""""""""""''''''''~
i.n~p,unctU.l1On o f',
, ANOVA. Both the age group; 1'(1,46) =
F(4, 184) = 8.98.p < .001,...
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