Sentence Completion Tests In sentence completion tests, participants are presented with sentences and asked to complete them in their own words. When successful, sentence completion tests reveal hidden aspects about individuals’ thoughts and feelings toward the object(s) studied. From the data collected, researchers interpret the completed sentences to identify meaningful themes or concepts. For example, let’s say the local Chili’s restaurant in your area wants to find out what modifications to its current image are needed to attract a larger portion of the college student market segment. Researchers could interview college students in the area and ask them to complete the following sentences