Sentences with phrase «tested by independent researchers»

Not exact matches

According to an independent study done by nonprofit researchers SRI International, students who used Dreambox for four months improved their test scores by about 5 percent.

Repeatable in science refers to the ability to test the same hypothesis, using the same methods (typically by independent researchers), to confirm or reject said hypothesis, e.g. the repeated observation by many, many different researchers of fossils in the correct temporal and morphological relationships within the fossil record (no rabbits in the pre-Cambrian, no humans alongside dinosaurs, etc).

But the only way we will know the answer to that question is to make sure that whatever helmets female lacrosse players wear meet standards that are based on science, and have been developed after a deliberative and collaborative process by an independent organization, like ASTM, which is not funded by helmet manufacturers (unlike NOCSAE), and which does not just invite, but requires input from equipment manufacturers, product testing laboratories, researchers and governing bodies, in this case US Lacrosse.

According to Coffield et al., the technique used in the research was the following: «Each model was examined for evidence, provided by independent researchers, that the instrument could demonstrate both internal consistency and test — retest reliability and construct and predictive validity.

According to the Institute of Education Sciences (IES), the primary overseer of research within the Department of Education, «scientifically based research» fits the following criteria: It randomly assigns its test subjects to comparable groups; it yields reliable, measurable data; if the study makes any claims about what causes its effects, it «substantially eliminates plausible competing explanations»; its methods are clear enough that other researchers can repeat or extend them; and, finally, the study has been accepted by a peer - reviewed journal or equivalent panel of «independent experts.»

No laboratory tests or convincing field studies seem to have been carried out once, let alone repeated by independent researchers.