However, low participation and high levels of attrition are often observed in Internet-delivered programmes [ 6– 9].
The depressing truth is this: modern political campaigns are wars of attrition, and the victor is often the one who makes the fewest mistakes.
The high attrition rate, he explained, is often caused by introductory courses that are "rote, stultifying, and boring".
LTFU is the commonest cause of attrition, followed by death, which is often under-estimated [10].
In practice, the unit is often limited by attrition.
The oldest living title is often won through attrition, but the Brazilian great-great-grandmother dethroned Besse Cooper from Monroe, Ga., after researchers determined Valentin was born 48 days before Cooper in 1896.
In many RCTs, there is often a large attrition rate.
This attrition following the first stage surgery is often unavoidable in 10 15% of cases because of late deaths, incidental detection of malignancy/Crohn's or indeterminate colitis [ 17], refusal for further surgery, associated intestinal/miliary tuberculosis and other co-morbid illnesses.
Dental erosion often occurs with abrasion and attrition; hence a collective term of "non-caries tooth loss" is often used instead.
While the attrition rate is routinely reported in such studies, it is often left unexplained.
Development of tracers for imaging with positron emission tomography (PET) is often a time-consuming process associated with considerable attrition.
