-This model suggests that learns have to pay attention at first to any aspect of the language that are trying to understand or produce.
-It also suggests there is a limit to how much information a learner pay attention to or engage in at one time.
-Gradually, through experience and practice, information that was new become easier to process and learner become able to access it quickly and even automatically.
-This can explain why L2 readers need more time to understand a text, even if they eventually do fully comprehend it.