6. Probe arrows for model specificity. As in step 4, the evaluators take the lead in examining the program theory "at a deeper level of detail." Donaldson indicates that at this stage the evaluators' focus is typically on critical links and discussion of details such as the length of time required for the outcome to occur and the nature of the process. The purpose, here, is for the evaluation team to ensure that they have an accurate, in-depth understanding of the program as it is intended to proceed. Such understandings can influence, for example, when evaluators collect data on outcomes and the type of data they collect.