1.   In such circumstances, the presence of observer bias would increase the magnitude of the association between oesophagitis and hiatal hernia.

2.   The auctioneer increased the magnitude of his smile.

3.   That has led many to surmise that the Fed might step up its efforts to slow growth by increasing the magnitude of its rate increases.

4.   Residents claim that stuffed up sewers and chaotic development increased the magnitude of the flood.