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B - 90 Need for Cognition Results in Greater Persistence on Fluid Intelligence Tests.
Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists 2023 October 9
OBJECTIVE: We evaluated reaction time (RT) as a mediator of the relation between the trait Need for Cognition (NFC) and Raven's Advanced Progressive Matrices (RAPM).
METHODS: 174 undergraduate students (M = 20 years old, SD = 1.5; 74.1% female) completed the 18 item NFC questionnaire and RAPM as part of a larger battery. RAPM mean RT (RMRT) was calculated in msec.
RESULTS: Overall total effect between NFC and RAPM total score was significant [F(2,146) = 44.04; p < 0.001; r2 = 0.38; 95% CI = 0.05, 0.18] when not accounting for the effect of the mediator for RT. RMRT demonstrated a significant indirect effect on RAPM total score [B = 0.11; t(148) = 4.34; p < 0.001; 95% CI = 0.09, 0.24]. Results indicate that the direct effect of NFC and RAPM was significant [B = 0.23; t(148) = 3.42; p < 0.001; 95% CI = 0.03, 0.19] when controlling for the mediator of RT, which shows a partially mediated effect.
CONCLUSIONS: RT partially mediates the relationship between NFC and RAPM performance. This is the first demonstration that high NFC improves performance on fluid intelligence tests at least partly by high NFC individuals persevering longer on test items. As NFC and RAPM are still correlated after including RT as a mediator, test persistence is not solely responsible for this direct relationship. Future research needs to determine additional variables that account for the relation between NFC and RAPM.
METHODS: 174 undergraduate students (M = 20 years old, SD = 1.5; 74.1% female) completed the 18 item NFC questionnaire and RAPM as part of a larger battery. RAPM mean RT (RMRT) was calculated in msec.
RESULTS: Overall total effect between NFC and RAPM total score was significant [F(2,146) = 44.04; p < 0.001; r2 = 0.38; 95% CI = 0.05, 0.18] when not accounting for the effect of the mediator for RT. RMRT demonstrated a significant indirect effect on RAPM total score [B = 0.11; t(148) = 4.34; p < 0.001; 95% CI = 0.09, 0.24]. Results indicate that the direct effect of NFC and RAPM was significant [B = 0.23; t(148) = 3.42; p < 0.001; 95% CI = 0.03, 0.19] when controlling for the mediator of RT, which shows a partially mediated effect.
CONCLUSIONS: RT partially mediates the relationship between NFC and RAPM performance. This is the first demonstration that high NFC improves performance on fluid intelligence tests at least partly by high NFC individuals persevering longer on test items. As NFC and RAPM are still correlated after including RT as a mediator, test persistence is not solely responsible for this direct relationship. Future research needs to determine additional variables that account for the relation between NFC and RAPM.
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