Final answer:
Establishing a preset level is recommended to avoid escalation of commitment and prevent further commitment of resources to a decision that is not working out as expected.
Step-by-step explanation:
The recommended reason for establishing a preset level at which the decision is abandoned or re-evaluated is to Avoid escalation of commitment. When a decision is not working out as expected, it is important to be able to re-evaluate and potentially abandon the decision to prevent further commitment of resources and avoid escalating the negative consequences.