2 Minor clarification
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You had a reason to decline. Has the reason evaporated? Why are you changing your mind? You should need to have a good response for that, both for yourself as well as to the place you apply to. As a superviser, I had students changing mind back and fro, which I understand - it's a big decision, and not all information may be available. However, keep in mind that your originally offered position, as stated elsewhere, hasmay have been already given to someone else.

You had a reason to decline. Has the reason evaporated? Why are you changing your mind? You should need to have a good response for that, both for yourself as well as to the place you apply to. As a superviser, I had students changing mind back and fro, which I understand - it's a big decision, and not all information may be available. However, keep in mind that your originally offered position, as stated elsewhere, has been already given to someone else.

You had a reason to decline. Has the reason evaporated? Why are you changing your mind? You should need to have a good response for that, both for yourself as well as to the place you apply to. As a superviser, I had students changing mind back and fro, which I understand - it's a big decision, and not all information may be available. However, keep in mind that your originally offered position, as stated elsewhere, may have been already given to someone else.

1
source | link

You had a reason to decline. Has the reason evaporated? Why are you changing your mind? You should need to have a good response for that, both for yourself as well as to the place you apply to. As a superviser, I had students changing mind back and fro, which I understand - it's a big decision, and not all information may be available. However, keep in mind that your originally offered position, as stated elsewhere, has been already given to someone else.