Sentences with phrase «about correlation studies»

Not exact matches

It came up at christmas dinner; at one point, the topic of breastfeeding came up, and my spouse's uncle started to say «I know breastfeeding reduces the risk of allergies later» and, expecting him to move on to obesity and IQ and whatever else he was about to say, I just said «No, that's not true», and started trying to explain the difference between correlation and causation, and the difficulties with prospective studies and confounding factors, etc..

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.

This doesn't directly answer your question, which is about studies and statistical correlations, but here is some evidence that at least some of the views of the Republican Party, which a lot of Republican voters hold as well, can be traced back to positions adopted by the GOP as part of the Southern Strategy to appeal to Southern whites using coded racial appeals.

In a study of relationships between socioeconomic variables and opioid - related drug overdoses, researchers found several correlations that are often not discussed in the current conversation about the nation's deaths of despair, which includes opioid overdoses, said Stephan Goetz, professor of agricultural and regional economics, Penn State and director of the Northeast Regional Center for Rural Development.

«What is exciting about this study is that it goes beyond correlation and shows causation, because we demonstrated for the first time that aberrant expression of this protein is sufficient to induce pathology.»

In healthy aging, it's less clear, although studies showed that mitochondrial lipid perodixation as strong correlation with MLSP (in mammals) but it's not necessarily 100 % causal but more correlative (studies said that mitochondrial membrane peroxidation contributes about 30 % in intrinsic aging weight; not 100 % itself alone.

Thus, chances are that there are about 400 correlations in the China Study that are statistically significant but nevertheless false and arose completely by chance.

A few months ago, I blogged about a study that observed correlation between in - race carb intake and race time in Ironman triathletes.

This may remind you of a study I blogged about a few months ago, showing correlations between in - race carbohydrate intake and Ironman finishing time.

Well the only thing that makes me suspicious about drawing conclusions from all of these nations where the people have a vegan or primarily vegan diet, is that I have done some research that claims the height can arise from genetics, as well as if a person is receiving enough food (now whether or not these studies went off of correlation and did not test actual causation, I do not know).

As AP Biology, Chemistry, and Physics teachers begin implementing these mandated shifts in content and pedagogy, this study will analyze the correlation among the types of professional development teachers select, teachers» level of participation and perceptions about effectiveness of this professional development, and their students» performance on the new AP exams.

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,

That was a study by John Hattie when he looked at about 138 variables and rank - ordered them in terms of their relationship / correlation with student achievement.

Moreover, the two premises represent a tautology — student test score growth is the most important measure, and we have to choose other teacher evaluation measures based on their correlation with student test score growth because student test score growth is the most important measure... This point, by the way, has already been made about the Gates study, as well as about seniority - based layoffs and about test - based policies in general.

Following up on my most recent post about whether «The Test Matters,» a colleague of mine from the University of Southern California (USC)-- Morgan Polikoff whom I also referenced on this blog this past summer as per a study he and Andrew Porter (University of Pennsylvania) released about the «Surprisingly Weak» Correlations among VAMs and Other Teacher Quality Indicators» — wrote me an email.

In a study conducted by Kim et al. (2013), a positive correlation was found between teachers» pedagogical beliefs and their technology integration practices: «What teachers say they do was significantly correlated with both their beliefs about effective ways of teaching and their actual practices with regard to technology integration» (p. 81).

Indeed this is true, although the correlations they observed, as aligned with what is increasingly becoming a saturated finding in the literature (see similar findings about the Marzano observational framework here; see similar findings from other studies here, here, and here; see also other studies as cited by authors of this study on p. 13 - 14 here), is that the magnitude and practical significance of these correlations are «very weak» (e.g., r =.18) to «moderate» (e.g., r =.45,.46, and.48).

The study, conducted by Dr. Larry Glickman at Purdue, examined the records of nearly 60,000 dogs with some stage of periodontal disease and about 60,000 without, and revealed a correlation between gum and heart maladies.

Have you read about the 2014 studies that found a correlation between interactive play and a dogs well - being?

(A 2013 study in the journal Climatic Change found a close correlation between temperature extremes of the last three to twelve months and how people feel about climate change.)

Point 17: The Beenstock study only shows that the correlation of the variability's between T (t) and dCO2 / dt is quite good, it doesn't say anything about the attribution of the offset and slope of dCO2 / dt, which is anyway from a different process than what caused the variability.

Richa Sharma, Senior Associate with the National Institute of Urban Affairs, talked about a study that her team conducted for Delhi from 2003 to 2011 and found a strong correlation between change in land use and change in land surface temperature in the city.

With regard to proxy studies, same basic questions, are these direct or passive correlations, what evidence that tree ring core thickness depends only on temperature (what about precipitation, cloud cover, volcanic activity, sea surface temperatue changes, sea current changes, solar irradiance changes, cloud cover, etc.) How are these variables accounted for when analysis of ice cores is completed, or for that matter when computer models, and / or proxy studies are completed.

Most adoption studies examine the correlation between criminality in the biological parents of adopted children, but what about the correlation between the children and their adopted parents who are crucial to their environment?

About our third aim, regarding the correlation between maternal and paternal psychological status, study results confirm literature evidence reporting that paternal risk of depression is lower than maternal one.8

For example, in the MTA sample, correlations between measures reflecting the actual reports of peers about one another were correlated only 0.01 to 0.27 in magnitude with ratings of peer functioning obtained from parents and teachers, suggesting that reports by adults are not useful proxies for the perspectives of one's peers.27 Given that views of one's peers provide better prediction to later psychiatric problems, 3 the use of adult report to index intervention outcomes in studies targeting the peer relationship problems of children is likely to prove a limited measurement approach.

If you have any questions about posting, correlations, statistical nerdery, or have some ideas for other data studies we should run, let me know!