Before revision: The argument, therefore, is that double-checking is at play with traditional Stroop stimuli because the implicit requirement of traditional Stroop stimuli is to name the ink color correctly, in a situation where the color words are the source of incorrect responding even though they are also (confusingly) also the source of valid ink color responses.
After revision: The argument, therefore, is that double-checking is at play with the traditional Stroop task because the implicit requirement of traditional Stroop stimuli is to name the ink color correctly, in a situation where the color words are the source of incorrect responding and at the same time, are (confusingly) also the source of valid ink color responses.