What causes languages to be transparent?

Keyphrases

• Exclusivity Principles 100%
• Mutual Exclusivity 100%
• Grammar 50%
• Contact Languages 50%
• Creole Languages 50%
• Second Language Acquisition 50%
• Declarative Knowledge 25%
• Natural Language 25%
• Second Language Learners 25%
• Learning Strategies 25%
• Procedural Knowledge 25%
• Phonology 25%
• Word Learning 25%
• Cognitive Mechanisms 25%
• Morphosyntax 25%
• Language Learners 25%
• Creole 25%
• First Language Acquisition 25%
• One-to-one Correspondence 25%
• Linguistic Study 25%
• Operative 25%
• Knowledge Storage 25%
• Computational System 25%

Psychology

• Second Language Acquisition 100%
• Word Learning 50%
• Phonology 50%