A major limitation of this study is the high dropout rate; 74% of subjects dropped out before completing the entire period of maximum medication dose.
Thus, the studies use either dropout rates, graduation rates, or college-attendance figures to shed light on the effects of competition.
Not to say that I was bowled over by the audio mix, however I didn't notice any dropout or problems.
For example, administrators track dropout rates from particular courses, and sometimes intervene when these rates increase.
The 1994 Trek 1200 bonded aluminum frame was designed around a 128 mm dropout spacing.
The frame's finish quality is the best we've ever seen, flawless from carbon head tube to carbon dropout .
The study was limited by the dropout rate and has not been duplicated.
The major limitations of this study include the high dropout rate and the short treatment period.
The researchers also observed a big difference in the number of lost data packets that can contribute to loss of data or voice dropout .
Another new administration proposal is for college completion challenge grants, designed to help lower college dropout rates.