1 Understanding and Misunderstanding . 1.1 The Eliza Effect . 1.2 Language as a Code . 1.3 Language as a Signal . 1.4 Speaking Versus Understanding . 1.5 Prioritizing . 1.6 Perspective Taking . 1.7 Overview of the Book . References .- 2 Asymmetries in Language Acquisition . 2.1 When Production Precedes Comprehension . 2.2 Asymmetry with Word Order . 2.3 Explaining the Word Order Asymmetry . 2.4 Further Evidence for the Word Order Asymmetry . 2.5 Acquiring Symmetry Through Prioritizing . 2.6 Inflection as a Cue in Production but Not in Comprehension . 2.7 Pronouns in Competition . 2.8 Non-Adult Interpretations of Scrambled Word Order . 2.9 Acquiring Symmetry Through Perspective Taking . 2.10 Children's Difficulty with Marked Forms . 2.11 Asymmetries Everywhere? . References .- 3 The Listener's Perspective . 3.1 Children's Misinterpretation of Pronouns . 3.2 The Delay of Principle B Effect . 3.3 Pragmatic Explanations of the DPBE . 3.4 Delayed Comprehension, but No Delayed Production . 3.5 Grammatical Explanation of the DPBE . 3.6 Children's Failure to Take into Account the Speaker's Perspective . 3.7 Task-Based Explanations of the DPBE . 3.8 Interface Explanations of the DPBE . 3.9 A Computational Model of the Acquisition of Object Pronouns . 3.11 Cognitive Constraints on Pronoun Comprehension . 3.11 Principle B as a Derived Pattern . References .- 4 The Speaker's Perspective . 4.1 Ambiguity of Meaning . 4.2 Referential Choice and Optionality of Form . 4.3 Children's Overuse of Pronouns . 4.4 Children's Failure to Take into Account the Listener's Perspective . 4.5 Grammatical Explanation of Referential Choice . 4.6 A Computational Model of the Use of Referring Expressions . 4.7 Word Order Variation and Word Order Freezing . 4.8 Speakers Aim at Avoiding Misunderstanding . References .- 5 Symmetry and Asymmetry Across Languages . 5.1 Cross-Linguistic Differences in Asymmetries . 5.2 Children's Acquisition of Word Order . 5.3 The Delay of Principle B Effect is Not a Universal Delay . 5.4 The DPBE is Sensitive to Structural Properties of the Language . 5.5 Different Binding Domains . 5.6 Accounting for the Breakdown in Complementary Distribution . 5.7 Cross-Linguistic Differences in Topic Marking . 5.8 Pronouns in ECM Constructions Are Cross-Linguistically Difficult . 5.9 Some Non-Clitic Languages Behave like Clitic Languages . 5.10 Resolving Asymmetries Cross-Linguistically . References .- 6 Competing Perspectives . 6.1 Asymmetries Between Production and Comprehension . 6.2 Asymmetries Show Linguistic Systematicity . 6.3 Asymmetries Occur at All Levels of the Grammar . 6.4 Asymmetries Disappear with Linguistic Development . 6.5 Final Considerations . References .- Appendix . A.0 Optimality Theory . A.1 OT Analyses for Chapter 1 . A.2 . OT Analyses for Chapter 2 . A.3 OT Analyses for Chapter 3 . A.4 OT Analyses for Chapter 4 . A.5 OT Analyses for Chapter 5 . References .- Index