University of Twente Student Theses
Nonverbal Syllogisms as a Test for Fluid Intelligence
Merkelbach, T. (2023) Nonverbal Syllogisms as a Test for Fluid Intelligence.
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| Abstract: | Syllogisms have a long history of being used to test fluid intelligence and its aspects. Nonverbal versions were proposed as alternative to traditional verbal syllogisms, which have well recorded disadvantages. Two experiments were performed to test the validity of nonverbal syllogisms as measures of the fluid intelligence aspects, working memory and spatial reasoning. Participants carried out a time-restricted version of Raven’s Advanced Progressive Matrices (RAPM), and a 64-channel EEG recording registered their brain activity as they evaluated nonverbal syllogisms. The nonverbal syllogisms were constructed differently for each experiment, specifically as a working memory test in the first experiment and as spatial reasoning test in the second experiment. Participants’ performance in the RAPM and in evaluating nonverbal syllogisms was shown to be correlated in both experiments. Furthermore, the presence of the frontal midline theta rhythm, which has been associated with fluid intelligence, was noted in both experiments. Additionally, the theta activity along the frontal midline increased with the difficulty of the nonverbal syllogisms that participants had to evaluate. These results replicate the findings of prior studies on the frontal midline theta rhythm and further support the validity of nonverbal syllogisms as versatile and flexible measures of fluid intelligence and its aspects. |
| Item Type: | Essay (Master) |
| Faculty: | BMS: Behavioural, Management and Social Sciences |
| Subject: | 77 psychology |
| Programme: | Psychology MSc (66604) |
| Link to this item: | https://purl.utwente.nl/essays/96199 |
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