Sentences with phrase «differing study designs»
While they add to the evidence available, they do not prove causation — this would require an accumulation of evidence from various studies of differing study designs.
http://www.sciencemediacentre.org/ Not exact matches
The seven - year study was designed to «fill the gap» left by the United States census (no questions on religion), the self - reporting of denominations («widely differing criteria»), and smaller surveys (too few questions or people).
So thinks the Pew Research Center, which today released the second wave of a massive study designed to «fill the gap» left by the United States census (no questions on religion), the self - reporting of denominations («widely differing criteria»), and smaller surveys (too few questions or people).
Although the study was not designed to explain why the lifespan differs in the two countries, Dr. Stephenson said there were several possible reasons: transplants, diet and medical insurance.
The current study was designed to look for more direct evidence that age - related memory loss differs from Alzheimer's disease.
Tips: Göttgens suggests working with a bioinformatician to design the experiment from the outset to power the study with the right number of cells and to limit the potential influence of batch effects (in which two results differ because they were collected on different days).
Marrying the couple's differing tastes — he's traditional while she's more casual — Millner designed a space full of natural light, soft inviting textures, and just the right amount of jaw dropping tone on tone elements like my personal favorite, the study awash in Chappell Green.
A study of the impact of a social program that has high internal validity is designed and analyzed such that there is confidence that the groups being compared differ only in their experience of the treatment program.
Such a matched group design is weaker in terms of its ability to support strong causal conclusions than a random assignment design because it doesn't eliminate the possibility that the two groups differed at the outset of the study on variables not measured and therefore not included in the matching algorithm.
The primary aims of this study are to document the process of moving towards new, integrated systems in each of these cities; to highlight which strategies moved the cities forward in creating these systems and what barriers the cities encountered; to examine how these cities incorporated the needs of students with disabilities, English language learners, and students from different economic backgrounds into their system designs; to understand how students, teachers, and parents, and others experience elements of the new system and how these experiences differed for students with special needs; and to document quantitative outcomes on a range of measures, disaggregated by student subgroup.
Existing research shows textbooks differ in their effects on student achievement in meaningful ways, with well - designed studies finding effects in the.1 to.2 standard deviation range.
When asked about Amrein - Beardsley's criticism of using tests that weren't designed for evaluating teachers, Kane countered that the Gates Foundation MET study used random samples and concluded that differing tests could be used in a way that was «useful in evaluating teachers» and valid predictors of student achievement.
As expected, the production model doesn't differ very much from the design study.
While significant details differed, all the studies agreed that carbon taxes can be effective and, if properly designed, need not be regressive.
The power calculation for detecting the association between perceived discrimination and psychotic symptoms (delusional hallucination) was based on Janssen et al. 21 This study differs from our study because it has a longitudinal design and it also includes Dutch inhabitants, not only migrants.
Although the level of efficacy and effectiveness of family therapy and family - based interventions differs according to the research design and studied conditions, family therapy is currently established as an evidence - based psychotherapy approach.