To what extent do native and non-native writers make use of collocations?

Usage-based models claim that first language learning is based on the frequency-based analysis of memorised phrases. It is not clear though, whether adult second language learning works in the same way. It has been claimed that non-native language lacks idiomatic formulas, suggesting that learners neglect phrases, focusing instead on orthographic words. While a number of studies challenge the claim that non-native language lacks formulaicity,...