Evaluations using pre- and post-intervention measures or quasi-experimental designs may be appropriate, particularly where a program strategy is implemented in phases and a group that has not yet received the intervention serves as a comparison for a group in an earlier phase of the program.
Blinded assessment of outcome: investigators assessing, measuring, or quantifying experimental outcomes should be blinded to the intervention.
However, there are many other questions that do not lend themselves to quantitative or experimental measures.
These findings suggested that baseline measures are altered between conditions in biomechanical studies, and they should be used when a repeated measures or a single subject experimental design is being utilized.
As mentioned in the introduction, it is not easy to validate the performance of the synthetic accessibility score, because there are no experimental measures or objective molecular characteristics we can compare it to.
This 96-well plate-based adaptable phenotyping platform should be of broad utility for measuring the impact of natural or experimental genetic variation in either host or parasite on erythrocyte invasion efficiency and could be applied to genotype phenotype association studies.
If a state legislature or the federal government is going to pass a law that is intended to restrict some aspect of guns in one form or another, it would behoove citizens to have performance measures (experimental or quasi-experimental design) attached at the onset of such a ban.
In all, 114,740 (23%) of the 506,790 deaths recorded in the two countries were either amenable to treatment or could have been prevented through public health measures, or sometimes both, according to experimental statistics published on Wednesday.
Walters, S. T., Vader, A. M., Harris, T. R. & Jouriles, E. N. Reactivity to alcohol assessment measures: An experimental test.
Under these measures, the experimental data were found to be repeatable.
