It is not possible for action research to set up a rigid control of variables in a classic manner so that results can be verified in repeated
studies under similar conditions.
Not exact matches
One
study suggests arthropod diversity alone — wasps, beetles, spiders, ants — found on a single tree species in shade - grown coffee plantations approximates that found
under similar conditions in undisturbed tropical forest.
In a
study published in 2006, he and other Johns Hopkins researchers tested two compounds
similar to CGP3466B to see if they would block GAPDH from triggering cell death
under the types of highly stressful
conditions that would normally cause apoptosis.
This is the first time these pathways have been
studied in live mosquitoes with dengue virus, although
similar studies have been conducted
under controlled
conditions using cells cultured in the lab.
Qin said a primary objective of this
study was to determine if this particular type of soil amendment could have a positive impact on plant growth
under stress caused by drought or
similar water - deficit
conditions.
On this note, and «[i] n sum, recent research on value added tells us that, by using data from student perceptions, classroom observations, and test score growth, we can obtain credible evidence [albeit weakly related evidence, referring to the Bill & Melinda Gates Foundation's MET
studies] of the relative effectiveness of a set of teachers who teach
similar kids [emphasis added]
under similar conditions [emphasis added]... [Although] if a district administrator uses data like that collected in MET, we can anticipate that an attempt to classify teachers for personnel decisions will be characterized by intolerably high error rates [emphasis added].
«As paleoclimatologists, we want to
study Earth
under conditions similar to those we have today, what we call «climate analogues,» which might tell us what to expect in the future,» he said.