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Do first and last letters carry more weight in the mechanism behind word familiarity?

ABSTRACT: Previous research has suggested a role of letter location information in familiarity-detection that occurs with word stimuli, but no studies have yet investigated whether certain letter positions are weighted more heavily in the feature-based mechanism behind word familiarity-detection. Based on psycholinguistic research suggesting that first and last letters are weighted more heavily than interior letters when it comes to reading words, we investigated whether first and last letters carry more weight in the mechanism behind word familiarity that results from feature familiarization in a list-learning paradigm. In two experiments, participants studied word fragments (e.g., RA_ _ _ _OP) and later rated the familiarity of complete words (e.g., RAINDROP). We varied whether the first and last or only interior letters were present at study. Participants consistently rated test words whose fragments went unidentified at study as more familiar when the first and last letters had been studied than when only interior letters had been studied. This suggests that first and last letters contribute more strongly to the word familiarity signal than interior letters.

SUBMITTER: Huebert AM

PROVIDER: S-EPMC8982651 | biostudies-literature | 2022 Oct

REPOSITORIES: biostudies-literature

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Do first and last letters carry more weight in the mechanism behind word familiarity?

Huebert Andrew M AM Cleary Anne M AM

Psychonomic bulletin & review 20220405 5

Previous research has suggested a role of letter location information in familiarity-detection that occurs with word stimuli, but no studies have yet investigated whether certain letter positions are weighted more heavily in the feature-based mechanism behind word familiarity-detection. Based on psycholinguistic research suggesting that first and last letters are weighted more heavily than interior letters when it comes to reading words, we investigated whether first and last letters carry more ...[more]

PMID: 35381911

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Project description:In alphabetic writing systems (such as English), the spaces between words mark the word boundaries, and the basic unit of reading is distinguished during visual-level processing. The visual-level information of word boundaries facilitates reading. Chinese is an ideographic language whose text contains no intrinsic inter-word spaces as the marker of word boundaries. Previous studies have shown that the basic processing unit of Chinese reading is also a word. However, findings remain inconsistent regarding whether inserting spaces between words in Chinese text promotes reading performance. Researchers have proposed that there may be a trade-off between format familiarity and the facilitation effect of inter-word spaces. In order to verify this, this study manipulated the format familiarity via reversing the Chinese reading direction from right to left to investigate this issue in Experiment 1 and Experiment 2. The purpose of Experiment 1 was to examine whether inter-word spaces facilitated Chinese reading in an unfamiliar format. Experiment 1 was conducted that 40 native Chinese undergraduates read Chinese sentences from right to left on four format conditions. The results showed faster reading speed and shorter total reading time for the inter-word spaced format. Based on this finding, Experiment 2 examined whether the facilitation effect of inter-word spaces would reduce or disappear after improving the format familiarity; this experiment was conducted that 40 native Chinese undergraduates who did not participate in Experiment 1 read Chinese sentences from right to left on four format conditions after ten-day reading training. There was no significant difference between the total reading time and reading speed in the inter-word spaced format and unspaced format, which suggests that the facilitation effect of inter-word spaces in Chinese reading changed smaller. The combined results of the two experiments suggest that there is indeed a trade-off between format familiarity and the facilitation of word segmentation, which supports the assumption of previous studies.

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Do first and last letters carry more weight in the mechanism behind word familiarity?

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Do first and last letters carry more weight in the mechanism behind word familiarity?

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