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COSTANALYSISLimitations of the Cost Analysis 4.5Without knowing the specific methods of costanalysis in other evaluations, it is difficult toprovide meaningful cost comparisons acrossstudies and settings. While illustrative comparisonsare provided in this evaluation, it isdifficult to assess the appropriateness of thesecomparisons as the methods of cost datacollection and analysis are either unclear orslightly different in the referenced studies.There were limitations in tabulating cost data inthis evaluation, due to the retrospective natureof the data collection. We were not able todetermine the exact expenditures per objectivein the retrospective design and the costper objective figures are estimated via keyinformant interviews.pg 39