A 2 (Study Time) x 2 (Study Format) factorial design is employed. First, with regard to study time, participants were given either 1 or 2 hours to study for an exam. Second, with regard to study format, participants either studied alone or as part of a group. According to the results, participants given 2 hours to study performed significantly better than participants given 1 hour to study. This was true for participants who studied alone as well as for participants who studied as part of a group. Based solely on the information provided, what do you know for sure? Group of answer choices An interaction was observed between study time and study format An interaction was not observed between study time and study format none of the above ucsc