Yes. Quietly the Society shifts its position when an embarrassing prophecy is made and then remains unfulfilled. For example, a crucial change was made in the 1923 version of Studies in Scriptures in order to bring it into line with the Society’s changing prophecies. The earlier version has:
“…the deliverance of the saints must take place some time before 1914 is manifest…”
The 1923 version has:
“…must take place very soon after 1914 is manifest…”