Researchers randomly assigned adults to two groups. All participants were instructed to avoid using electronic devices for hours before a memory test. At , Group X was allowed to use their smartphones for minutes, while Group Y continued to abstain. Both groups then completed a memory recall test, with the number of words correctly recalled from a list of being the response variable. Group X had a mean recall of words, while Group Y had a mean of words. Both groups were matched for age, education, and baseline memory ability. What is the conclusion of the study?
