Sentences with phrase «designed correlation study»

A well - designed correlation study is the only way to find out.

Not exact matches

In a convenience sample of 45 children during a 1 - week training workshop provided by child psychologists and psychiatrists, inter-paediatrician agreement was high, with Pearson correlation coefficients of 0.80 (95 % confidence interval: 0.67, 0.89) for vocabulary, 0.72 (0.54, 0.83) for similarities, 0.80 (0.67, 0.89) for block designs and 0.79 (0.66, 0.88) for matrices.16 Since we previously reported that the intervention resulted in significantly higher verbal IQ scores in intention - to - treat analysis, 16 we focused on results for verbal IQ scores in the present study.
Although some SIDS experts and policy - makers endorse pacifier use recommendations that are similar to those of the AAP, 272,273 concerns about possible deleterious effects of pacifier use have prevented others from making a recommendation for pacifier use as a risk reduction strategy.274 Although several observational studies275, — , 277 have found a correlation between pacifiers and reduced breastfeeding duration, the results of well - designed randomized clinical trials indicated that pacifiers do not seem to cause shortened breastfeeding duration for term and preterm infants.278, 279 The authors of 1 study reported a small deleterious effect of early pacifier introduction (2 — 5 days after birth) on exclusive breastfeeding at 1 month of age and on overall breastfeeding duration (defined as any breastfeeding), but early pacifier use did not adversely affect exclusive breastfeeding duration.
As with any epidemiological study, even one that is as well - designed as this one, correlation does not prove causation.
«The unique twin design of the study by Lónnberg and colleagues, in which increasing BMI was associated with a diagnosis of psoriasis, allowed the investigators to identify a genetic correlation between psoriasis and BMI,» writes Joel M. Gelfand, M.D., M.S.C.E., of the University of Pennsylvania Perelman School of Medicine, Philadelphia.
More than 430,000 men were part of longitudinal studies over the course of the past 67 years, and no well - designed study has ever shown a direct correlation between total testosterone levels and prostate cancer.
Studies reveal a correlation between daylight in school classrooms and the performance of students on standardized tests, and more and more new K - 12 design plans have sought to distribute as much natural light as possible.
For information about these resources and an index for the whole collection please visit http://www.mrbartonmaths.com/CIMT.htm Keywords: Questionnaire, Analysis, Question, Biased, Unbiased, Design, Leading, Line Graph, Bar Chart, Process, Display, Conclude, Evidence, Sample, Survey, Multiple Choice, Pilot, Study, Hypothesis, Trend, Bar Chart, Pie Chart, Line Graph, Presentation, Data, Statistics, Scatter Diagram, Graph, Plot, Co-ordinates, Correlation,
The more specific claim is as follows: Study researchers found a «strong [emphasis added, see discussion forthcoming] correlation between Dr. Marzano's nine Design Questions [within the model's Domain 1] and increased student achievement on state math and reading scores.»
Promising — at least one well - designed and well - implemented correlation study with statistical controls for selection bias.
The data come from peer - reviewed studies using quasi-experimental research designs, as well as multi-institution and statewide regression correlation studies from a dozen states.
problems of reliability of data... spurious correlations, heteroskedascity... all of this crap, generations of knowledge ignored as these woefully inept people suck up all of the oxygen in the funding universe... Absolutely indefensible study design, data selection, statistical analysis are the rule, not exceptions.
Population average models were used to account for the longitudinal study design and correlation of repeated measurements, and an interaction term between maternal education (our socioeconomic measure) and age was included in order to examine whether differences in health inequalities by age were statistically significant.
Due to these inconsistent results and to bridge the gaps in current knowledge, we designed this study to investigate correlations among impulsivity, DSH and SA in Taiwanese adolescents.
Several recent studies have reported on the NCS - A design, 12,13 measures, 14,15 the lifetime and 12 - month prevalence of mental disorders,16 - 18 and 12 - month prevalence and treatment of suicidal behaviors.19 Here, we present new data on lifetime prevalence and age at onset of suicidal behaviors, as well as information on correlations with temporally primary mental disorders and treatment.
Of course, anyone who has taken an introductory statistics class knows that correlation does not equal causation, so without a study using a true experimental design, claims of Facebook causing divorce are serious overstatements.
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