Afairly common way to test for the word frequency effect is to a. utilize the lexical decision task b. perform saccadic eye movements c. demonstrate the word superiority effect d. test for speech segmentation

a) utilize the lexical decision task

Explanation:

Lexical decision task (LCD) is defined as the method used for judging how rapidly an individual can categorize the stimuli are actual words or not.This method is used by psychologist in research and experiments.

Other options are incorrect because saccadic eye movement involves simultaneous movement of eyes. Word superiority effect describes about selection of word on basis of superiority amongst the other words.speech segmentation is used for partition of speech.

Thus, the correct option is option(a).

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