How to apply for the consolidation of private student loans affect my credit score?

My girlfriend has two private student loans with 2 different companies with different rates. She wants to consolidate for a lower monthly payment. When she applies for the loan consolidation a small number of different companies, how it affects its credit rating? That each application she completed her credit rating lower then the company Next, it applies with now sees that it is the loan shopping? If this is a confusing question, let me know and I will try to clarify. Thank you. Ok, the first response is not helpful and not relevant to the question. Anyone else have input? And now, spam!?! Can someone please answer my question?

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