Answer:
temporal; social
Explanation:
Kerri is using a __temporal____ comparison and Matt is using a __social____ comparison.
Temporal comparisons are performed inside an inner edge of reference, whereby people look at themselves across time. Kerri is comparing her scores across time, then it is a temporal comparison.
Social comparison hypothesis expresses that people decide their own social and individual worth dependent on how they stack facing others. Matt is comparing his scores to Kerri“s. Then, he is uisng social comparison.