Even though the field of applied linguistics has witnessed a growth of research in the areas
of comprehension (listening and reading) subskills, there is currently no universally
accepted taxonomy for categorizing them. Using a dataset of 192 publications, a document
co-citation analysis was conducted. Eighteen discrete research clusters were identified,
comprising 73 empirically investigated comprehension subskills, of which 55 were related to
first language (L1) comprehension and 18 were associated with second language (L2) …