Abstract
<p class="0abstract"><strong>Abstract—</strong>This paper introduces the general purposes, hypotheses and designs of the lexical decision task and compares the results of several existing studies. Based on previous studies, three hypotheses are proposed. Then, it illustrates a two-lexical decision task designed and completed by the Research School of Psychology, Australian National University. In comparison with traditional lexical decision task, the two-string lexical decision task further tests participants’ response time to non-words and words. The results of the current two-string lexical decision task experiment verify the validity of previous studies on the one hand, while on the other hand, do not fully support the statement that participants would make faster responses to unrelated words than unrelated non-words. The findings of the current study directly provide cognitive processes for English lexical differentiation and learning, which could give hints to English lexical teaching and acquisition.</p>
Highlights
The lexical decision task has been widely used for studying visual word recognition over the last two decades
The first hypothesis was that participants’ RT would be faster while responding to non-words that sound like words than while responding to non-words that look like words
Participants demonstrated faster reaction time while responding to non-words that sound like words (M = 795.01, SD = 125.21) than while responding to non-words that look like words (M = 871.58, SD = 140.31)
Summary
The lexical decision task has been widely used for studying visual word recognition over the last two decades. Lexical decisions based on a continuous source of word-likeness evidence for both non-words and words [1]. The task involves clarifying letter strings either as words or as non-words, and it requires participants to react as quickly as possible without making errors. Studies have investigated the impact of word-likeness on longer word strings presented concurrently and in different combinations. This paper considers word and non-word strings two words in length that is these letter strings are presented in pairs. Unlike the traditional lexical decision task, a two-string lexical decision task requires participants to decide whether both strings iJES ‒ Vol 7, No 4, 2019
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