While some of these risks materialize slowly over time, others - such as interest rate risk - are felt with each measurement period.
Although it was not possible to include all strains in each measurement period, mice of different strains were intermixed.
During the second measurement period of 1993 to 2003, only 28.57% of the funds remained in the top quartile.
Describe the short (annual) and long-term (over the entire measurement period) trends visible within this graph.
This class of error has little effect on differences between groups within a single measurement period, but can cause apparent changes between measurement periods.
The satellite observations essentially yielded highly accurate relative positions of stars with respect to each other, throughout the measurement period (1989-93).
It's been losing mass throughout the entirety of the measurement period (and the rate appears to be accelerating).
To be considered a long-term incentive the measurement period must be in excess of one year (3-5 years is common).
Let the gas expand into the vacuum until the molecules are so far apart that none of them hit a measuring device within any measurement period.
"That's 33 times faster than the rate in the first measurement period," he said, referring to a study from 1963 to 1978.