Sentences with phrase «homogeneity of»

A third limitation was the homogeneity of the sample, which was largely Hispanic (73 %) and middle SES.

Since homogeneity of variance represents one of the most important preconditions for analysis of variance (e.g. Bortz, 1993), we transformed the data to stabilize variance across groups.

The scatterplots showed no obvious pattern, indicating that the assumptions of linearity and homogeneity of variance were met.

As a result of this transformation homogeneity of variance was markedly improved compared to the row data.

Given that the subgroups of men and women differed substantially in size (i.e., 263 men vs. 847 women), and given poor robustness of t - tests with very different group sizes, we tested the statistical significance of gender differences using t ′, which assumes lack of homogeneity of variance.

It is possible, therefore, as Manuck, Kaplan and Lotrich suggest, that it is this group of children with a familial, biological predisposition towards antisocial and aggressive behaviour that later comprise adult antisocial samples thereby offering a possible explanation for the general homogeneity of findings linking serotonin and aggression in adults.

Given poor robustness of t - tests with very different group sizes, we used t ′ assuming lack of homogeneity of variance; control analysis was tested with general linear model (GLM) controlling for age, depressive symptoms, and self - rated health (df = 1).

The requirements for a Multivariate Analysis of Variance (MANOVA), multivariate normal distribution of dependent variables and homogeneity of variance and of the covariance matrices, were verified using the Levene test (Levene, 1960) and were found to be unfulfilled only for the broadband aggression / delinquency scale in the CBCL.

Because the requirements for a MANOVA (multivariate normal distribution of dependent variables and homogeneity of variance and of the covariance matrices) were not fulfilled for the broadband aggression / delinquency scale in the CBCL, the results were re-evaluated using non-parametric tests (not shown).

The present study extends the work of Loeber and Stouthamer - Loeber (1986) by using more advanced meta - analytic techniques including tests of homogeneity of effect sizes and moderator analyses.

Notable limitations of the study include the lack of a no - treatment control condition, the homogeneity of the sample (all Hispanic), as well as small sample size.

Homogeneity of regressions was also examined for age and education.25

All covariates were measured at registration and tested for homogeneity of regressions for the hypothesized contrasts.19

All covariates were examined for homogeneity of regressions.44 The results reported below are virtually identical for models both with and without covariates.

When, not long after his retirement, he appeared in full wig and gown on Jim'll Fix It and tried Little Noddy for knocking down PC Plod, what stuck in the mind was not the incongruity but the homogeneity of it - the same benign moralism as the legal profession had known for 40 years, in prose begotten by Samuel Smiles upon Enid Blyton.

Yet, without breaking out of old moulds, without trying something new from time to time, without accepting that trying and failing is a necessary step to growth, the legal profession and justice system as a whole can not effectively move past the current challenges with respect to access to justice, homogeneity of the profession, technological innovation and consumer demand for change.

Differentiation is becoming critically important in a field long known for the homogeneity of its providers and the acquiescence of its buyers.

At p. 48, the report does admit that «There is no evidence to demonstrate that the market alone will correct the continued homogeneity of the Canadian legal profession.»

The planned accession of the European Union to the European Convention on Human Rights and Fundamental Freedoms (ECHR) pursues the objective of increasing the effectiveness and homogeneity of fundamental rights protection in Europe.

comparing the 42 ‐ rural station data used in the 1990 GRL and Nature papers with those adjusted for homogeneity of a 728 ‐ station network yield very much the same results, implying that the station moves, if any, really did not matter when a representative set of stations (here 42 ‐ stations) was used.

Occasionally it is necessary to assess the homogeneity of data without the use of reference stations, but using such an approach means that detection and adjustment take place with a much higher level of uncertainty.

To account for these issues, a separate check was carried out on the homogeneity of time series of the highest and lowest value of each year for maximum and minimum temperature.

He argues convincingly that their numbers were far higher than previously thought; that, contrary to the Rousseauian picture of the isolated «noble savage» roaming the virgin forests with bow and arrow, the Indians practiced a great deal of intensive land and forest management, both in the temperate forests of North America, and in the tropical ones of Central America and Amazonia; and that, the genetic homogeneity of the Indians made them almost universally vulnerable to European diseases, particularly those that originated with the livestock that the Europeans brought with them (and to which the Europeans had relative immunity).

The stability and homogeneity of the C3S sea level products is also ensured by the use of an homogeneous mean reference to compute the sea level anomalies for all missions.

Removal of the supposed biases has destroyed the homogeneity of the data.

If you want to draw conclusions about the effects of the bias adjustments («Removal of the supposed biases has destroyed the homogeneity of the data «-RRB- it makes sense to isolate the differences that are due purely to the bias adjustments from those due to other factors.

So if removing a supposed bias breaks the homogeneity of the data it is not formally wrong but has to be regarded as highly likely to be flawed.

John says: I'd also be grateful if you could expand a little on this comment: «Removal of the supposed biases has destroyed the homogeneity of the data.»

However, spatial sampling is still an issue in the higher latitudes of the Southern Hemisphere, and ensuring the homogeneity of these data in the face of urbanization and changes incontinue

Homogeneity of data was the number one requirement, absolute acuracy was secondary.

Because of the spatial homogeneity of tropical free - tropospheric temperature, when one sees tropical glaciers recede in concert, there is strong reason to presume that air temperature is playing a direct role, temperature being the one thing that is expected to change in lock - step throughout the tropics.

Although I might not take it for granted that the horizontal homogeneity of temperature due to the dynamic adjustment in the tropics would guarantee the horizontally uniform temperature changes in the decadal scale, the data do show it!

Art Club 2000, a collective started in 1992 by art dealer Colin de Land and a handful of Cooper Union students, took a more subversive approach to culture's consumeristic attitudes, posing in group shots dressed entirely in clothes from the Gap, mocking both the retail chain's pervasiveness and the willful homogeneity of the retail chain's shoppers.

In this way, many Yelp reviews confront the engineered homogeneity of the museum experience, the standardized conditions that Brian O'Doherty, an artist and critic, wrote about in Inside the White Cube.

Impressively, this homogeneity of design is balanced by a bold experimentation with all other aspects of painting, using a variety of material supports and employing a wide range of scales.

A preeminent artist of the post-media age, Johnson incorporates commonplace objects from his childhood, including wood, mirrors, tiles, rugs, CB radios, shea butter, and plants, in a process he describes as «hijacking the domestic,» to create conceptually loaded and visually compelling works that shatter assumptions about the homogeneity of black subjects.

How different is the homogeneity of game development from the fact that tech, too, is an industry caught perpetually hiring itself — cis able - bodied white men and the women that lean into their traits — a strategy that continues to implode as buying power moves to people that look nothing like them?

Boutique hotels are always individual and are therefore extremely unlikely to be found amongst the homogeneity of large chain hotel groups.

Data handling was better within this study with relative homogeneity of the treatment effects observed: of the six outcome measures used, only one parameter showed no effect of treatment (owner — directed aggression).

We choose these markets for their lengthy history and homogeneity of corporate domicile.

The homogeneity of the strategy explains a lot.

And he «regretted» not being at the January ImageExpo, where the homogeneity of the creators on exhibit was negatively received online.

I for one applaud the opportunity to lose the homogeneity of the market and will accept the broader range of quality.

We have turned to independent publishing for a host of reasons, not the least of which is the continuing contraction of traditional publishing which promotes a homogeneity of offerings at your local bookstore.

Premium hatchbacks have become big business, so should the homogeneity of German propositions have you rolling your eyes there are some left - field options: Alfa Romeo's Giulietta is fairly disappointing and Lexus» CT 200h trades performance for economy, but the new Infiniti Q30 is worth a look - similar under the skin to an A-class, it's quirkier to look at and rides better too.

I have observed hundreds of teachers in 3 continents and across a range of public, private and international schools, and rarely have I seen in one institution such homogeneity of lessons, classroom organization, and behavioral management protocols.

You make some very good points about the homogeneity of our class, the flashpoint of discussing charged issues with adolescents, the different perspective that your background brings to your views on teaching and learning.

In our article Positioning Charter Schools in Los Angeles: Diversity of Form and Homogeneity of Effects we examined the three most prominent types of charters serving elementary grades between 2002 and 2008: independent start - ups, independent conversions, and affiliated conversions.

In light of this shift, recent dialogues in the mainstream media have drawn attention to the rift between an increasingly racially diverse student body and the persistent homogeneity of those who educate them — white female teachers.

I suspect that's because they're deeply accustomed to the ideological homogeneity of the nation's education schools.