Complexity, Accuracy and Fluency

Complexity means to have the ability to use complex vocabulary.

Accuracy is the ability to be precise and correctly.

Fluency refers to the ability to speak fluent, rapidly, to know the pausing.

The definition as scientific construt.

The nature of their linguistics correlates and cognitive underpinnings.

Their connections in L2 performance and L2 development.

Their empirical operationalization and measurement.

The factor that affect CAF development in L2 use and learining.

It started in the 1970s

To look for a quantitative, objective and verifiable way.

In the mid-nineties Skehan created the model to put together the three dimensions (complexity, accuracy and fluency).