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Abstract The reaction time for subject with increase complexity is the focus of this study The ten respondents were randomly selected on the campus of University Wisconsin at Milwaukee Ten subjects reaction time was evaluated with a computer simulation program using one two or four choice trails which lasted forty to sixty minutes The data were analyzed using t test and ANOVA The t test showed no significance as far as practice effects were concerned but inferences can be made Also the ANOVA showed a significant difference with reaction time as it relates to complexity I found that as the level of complexity increase so does the reaction time Disjunctive Reaction Time Measure as it relates to Complexity of Task This study was conducted to prove that reaction time increases as the level of complexity increases Disjunctive reaction time was measured to eliminate subject reacting too early to the stimulus Also make the tack more complicated and for subject to uses discrimination before responding to stimulus Postman and Egan 1949 defines disjunctive reaction time as two or more different stimuli are presented in random orderthe subject is instructed to react to one but not to the other stimulip 240 Rikli and Busch 1986 defined reaction time as the latency from the onset of the visual stimulus to the depression of the microswitchp 646 Although a joystick was used to respond to the visual stimulus the same principle applies For the purposes of this study both definition of reaction time were incorporated to facilitate proper measurement Baron and Journey 1989 tried to prove that with increase age so did the reaction time Also within the study they also found that as the level of complexity increased so did the reaction time for the young group 18 to 26 and the old group 62 to 75 For their study the stimulus was
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