Visual effect of visual acuity 1.15 Processing Misc. Standard deviation of gamma distributions 0.22 How three developmental hypotheses are instantiated within the framework of Table 3. the E-Z Reader model: Relevant parameters, their adult (default) values, and their hypothetical values for children and the implications of these values. Adult Child Theoretical Implications of Children’s Hypotheses Values Values Parameter Values 1 104 > 104 slower overall rate of lexical processing 2 3.5 ? lexical processing rate is more/less modulated by word frequency and/or 3 39 ? predictability less able to use word familiarity to initiate 0.34 < 0.34 saccadic programming 25 > 25 slower and/or less accurate construction of I linguistic structures from text 0.01 > 0.01 pF 125 > 125 M1 slower saccadic programming 25 > 25 M2 7 ? oculomotor system is not to prefer “tuned” 1 6 ? saccades; systematic error is less pronounced 2 3 ? 1 0.5 > 0.5 saccades more prone to random error 2 0.15 > 0.15
Visual Processing effect of visual acuity 1.15 Misc. Standard deviation of gamma distributions 0.22 Table 3. How three developmental hypotheses are instantiated within the framework of the E-Z Reader model: Relevant parameters, their adult (default) values, and their hypothetical values for children and the implications of these values. Hypotheses Adult Values Child Values Theoretical Implications of Children’s Parameter Values 1 104 > 104 slower overall rate of lexical processing 2 3.5 ? lexical processing rate is more/less modulated by word frequency and/or predictability 3 39 ? 0.34 < 0.34 less able to use word familiarity to initiate saccadic programming I 25 > 25 slower and/or less accurate construction of linguistic structures from text pF 0.01 > 0.01 M1 125 > 125 slower saccadic programming M2 25 > 25 7 ? oculomotor system is not “tuned” to prefer saccades; systematic error is less pronounced 1 6 ? 2 3 ? 1 0.5 > 0.5 saccades more prone to random error 2 0.15 > 0.15
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