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Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment
Published on: June 25, 2019
Semantic size does not matter: "bigger" words are not recognized faster
Sean H K Kang1, Melvin J Yap, Chi-Shing Tse
1Department of Psychology, University of California, San Diego, La Jolla, CA 92093–0109, USA. seankang@ucsd.edu
Semantic size does not impact word recognition speed. Replicating previous findings, this study found no significant difference in lexical decision task performance for words with large versus small referents. This suggests semantic size is not a key factor in visual word recognition.
Area of Science:
- Cognitive Psychology
- Psycholinguistics
- Visual Word Recognition
Background:
- Previous research suggested "semantic size" influences word recognition speed.
- The "semantic size" effect posits that words referring to larger objects are recognized faster.
Purpose of the Study:
- To replicate the "semantic size" effect in visual word recognition.
- To determine if "semantic size" is a significant predictor of lexical decision performance.
- To investigate the role of "semantic size" in cognitive models of word recognition.
Main Methods:
- A replication study using identical stimuli and a larger participant sample size than Sereno et al. (2009).
- Analysis of existing visual word recognition megastudy data (e.g., English Lexicon Project).
- Lexical decision task performance was measured to assess word recognition latency.
Main Results:
- The replication study failed to find a significant latency advantage for "big" words compared to "small" words.
- Analysis of megastudy data revealed that "semantic size" was not a significant predictor of lexical decision performance, even after controlling for established lexical variables.
- Null results were consistent across both the lab experiment and the large-scale data analysis.
Conclusions:
- "Semantic size" does not appear to be a significant factor influencing word recognition.
- The findings challenge the importance of "semantic size" as a variable in visual word recognition research and modeling.
- Further discussion is needed to understand why "semantic size" may not play a role in lexical decision, unlike other semantic variables.
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