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PDF (PhD Thesis Susan Chipchase) - Nottingham eTheses ...

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Associative Memory<br />

In the associative memory test participants were shown one neutral<br />

background and had to choose between a negative, neutral and positive object<br />

to indicate which object had been presented with the background as a<br />

composite image in the study phase of the experiment. It is possible that<br />

participants were biased into choosing an object of a particular type even<br />

though they did not have memory for that object; i.e. a response bias. To<br />

further examine this possibility we analysed the results for the associate<br />

memory test by calculating the number of times that participants chose the<br />

correct object as a proportion of the number of times they chose that type of<br />

object throughout the associate memory test. i.e. the number of times<br />

participants correctly chose the negative object as a proportion of the total<br />

number of times they chose the negative object during the memory test. This<br />

provided a measure of correct associative memory which had been corrected<br />

for bias to respond with a particular emotion regardless of memory and was<br />

analysed by conducting a repeated measures ANOVA with the factor of<br />

emotion. The main effect of emotion was not significant [F(2,34) = 0.46, MSe <<br />

0.01, p = .64, partial eta 2 = .03]. Planned contrasts found no significant<br />

difference between responses to emotional or neutral items [F(1,17) = 0.68, p =<br />

.42], nor between responses to positive or negative items [F(1,17) < 0.01, p =<br />

.95].<br />

Results of Eye Movement Analysis<br />

199

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