... representative of the universe results using the experience of the survey respondents, there is the question of whether to report results on a plan, participant, or asset basis. The answer to ... as compared with the universe. In the case of this Study, the share of large plans in the sample is higher than the share of large plans in the 401(k) universe. Thus, if the survey responses ... include the key variable(s) impacting fees across plans in the survey. The results of the statistical regression analysis pointed to the size of the plan and the plan’s percentage of assets...