1 / 14

Critical Period Hypothesis

Critical Period Hypothesis. “-- the optimal time to learn a second language is between age three and five or as soon thereafter as possible, and certainly before the onset of puberty.” -- Rosalie Porter. Theoretical Components of a Critical Period?. Beginning and end points of the period.

lixue
Télécharger la présentation

Critical Period Hypothesis

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Critical Period Hypothesis “-- the optimal time to learn a second language is between age three and five or as soon thereafter as possible, and certainly before the onset of puberty.” -- Rosalie Porter

  2. Theoretical Components of a Critical Period? • Beginning and end points of the period. • Qualitative difference inside and outside the period. • Discontinuity at the end of the period. • Robust to environmental variation inside the period.

  3. Johnson & Newport (1989) Critical period effects in second-language learning: The influence of maturational state on the acquisition of English as a second language. Cognitive Psychology, 21, 60-99. r=-.87 r=-.16

  4. Johnson & Newport, combined across age groups.

  5. What Kind of Theory is SES?

  6. Hart & Risley

  7. Hierarchical Structure of Language:Lenneberg’s Plan

  8. Figure 12. English development as a function of school poverty status. District A.

  9. Parent Education Beyond High School High School or GED Some High School < High School Figure 13. Norm-referenced English scores by parent educational level, District B.LEP student mean age equivalent score is represented by the colored portions of the bar; the white unshaded portion shows the expected age-equivalent for the norming population.

  10. Parent Education Beyond High School High School or GED Some High School < High School Figure 16. Norm-referenced English writing scores by parent educational level, District B.LEP student mean age equivalent score is represented by the colored portions of the bar; the white unshaded portion shows the expected age-equivalent for the norming population.

  11. Parent Education Beyond High School High School or GED Some High School < High School Figure 13. Norm-referenced English scores by parent educational level, District B.LEP student mean age equivalent score is represented by the colored portions of the bar; the white unshaded portion shows the expected age-equivalent for the norming population.

More Related