Sentences with phrase «use effect size»

Why do you use an effect size of d = 0.40 as a cut - off point and basically ignoring effect sizes lower than d = 0.40?

Educators will come away with a deeper understanding of how they can use effect size to determine — and maximize — their impact on student learning.

These influences were rated using an effect size, with a.40 effect size having the potential to stimulate a year's -LSB-...]

Using Effect Size — or Why the P Value Is Not Enough.

If you are planning to use effect sizes to track student growth, you need to develop reliable tests.

There are many different ways to use effect sizes but here we focus on progress — not on comparisons between classes, teaching methods etc..

This conversion uses the effect size — in the case of the D.C. voucher program, -0.12 standard deviations — to find the equivalent percentile drop from the 50th percentile on a normal curve.56

Not exact matches

The effect will be both increased use of digital wallets by consumers and a more ubiquitous presence of embedded checkout experiences among merchants of all sizes.

A cheap and readily available supply of simple modern contraceptives can allow parents who wish to make use of them to improve their own level of comfort, and may also (by facilitating the spacing of births) improve family health chances — even if their adoption has no ultimate effect on the size of the family.

On the other hand, Oldfield has never been averse to using his size and reputation for effect.

He was unplayable and used his size to good effect when on the ball.

A study done in 2008 revealed that poor sizing and incorrect use prevents compression stockings from having a proper effect in preventing blood cloth formation.

Statistical power is affected chiefly by the size of the effect and the size of the sample used to detect it.

Since both products are washable and reusable, parents who are using the Breathable Adjustable Microfleece One Size Cloth Diapers, Yellow are helping in saving Mother Earth from the unwarranted effect of too much disposable diapers being thrown in landfills today.

CatBirdBaby has improved the designs for the original Mei Tais by making the body of the Mei Tai larger to enable a better wrap - around effect, and lengthening the supportive straps to create more allowance for use between people of different sizes.

The effect of study size, age groups at outcome measurement (comparing those aged 16 — 30 y with those aged ≥ 50 y), year of birth, the method of ascertainment of infant feeding status (whether contemporary or recalled over a period of ≥ 5 y) was examined by using meta - regression and sensitivity analysis.

Using its own economic simulation model, CEBR tested the knock - on effects of adding 1p to employers» NICs, paid by small and medium sized enterprises.

Because these patterns have a fixed size, they can be used to determine the distance of objects and probe the expansion of the universe for the effects of dark energy.

Weight - Similar to the size issues you may deal with when shopping for a golf rangefinder, the weight also has an effect on how much you actually end up using your new device.

«When one considers the modest decrease in risk of adverse outcomes associated with the use of a number of widely used medications such as anti-cholesterol drugs, the effect sizes seen in this study are really impressive,» said Dr. Memtsoudis.

These systematic violations can be used to identify whether an action or condition causes a certain effect (high lead - blood levels causing ADHD) from large enough sample sizes of observational data.

The size of a playing card, it features a simple to use Arduino processor and an MP3 chip that plays music, stories and sound effects when someone taps the painted - on, conductive buttons.

Harry Potter also appeared to encourage opposition to punitive policies — gauged by responses to questions about the use of torture, killing terrorists, and support for the death penalty — though the effect size was small.

A number of studies have used quantum dots to produce the similar effects but because the dots are much larger and not uniform in size, due to the nature of their synthesis, the results have not been reproducible — not every device made with quantum dots behaved the same way.

The ultimate aim is to build a full - size organ, but the micro-hearts could be used to test the effects of chemicals and drugs on the heart.

Using a technique called association genetics, they found that the gene with the biggest effect on increasing susceptibility to Septoria is very closely linked to one that increases yield and grain size.

The second experiment analyzed the effects of plant size and container spacing using three plant species from the first experiment that exhibited different growth habits and water - capturing abilities: Juniperus chinensis «Parsonii», Rhapheolepis indica, and Ligustrum japonicum.

«People using a prosthetic hand perceive real weight differences just like everybody else, but the effect of the size - weight illusion is halved.

A review of p - values in the biomedical literature from 1990 to 2015 shows that these widely misunderstood statistics are being used increasingly, instead of better metrics of effect size or uncertainty.

When used, they need to be complemented by effect sizes and uncertainty [confidence intervals].

But he cautions that, due to the small sample size used by the team, «it is not possible to see well - defined trends that would suggest the existence of bystander effects.»

To further test the consequence of mating preference on the evolution of menopause, we modeled the effect of mutations having delayed age of onset, using stochastic, computer simulation of a population with constant size, without pre-existing diminished fertility in females, and involving mutations that affected fertility as well as mortality.

The use of stone tools by macaques in Thailand has reduced the size and population density of coastal shellfish; previously it was thought that tool - assisted overharvesting effects resulted uniquely from human activity.

◯ Compute the effect sizes of each comparison, compare them against the reported effect size in the original paper, and use a meta - analytic approach to combine the original and replication effects, which will be presented as a forest plot.

We corrected the implications of the effect that monkey tool use has on shellfish size for explanations of reducing shellfish size elsewhere

And while 100 subjects used to be considered «a huge data set,» she says, with effect sizes as small as they are in schizophrenia, researchers need to look at thousands to «really get a sense what's going on.»

The number of experiments used to calculate mean effect sizes are shown in parentheses.

Models of mountain (alpine) glaciers are applied to solve similar problems to those models used for polar ice sheets, but typically have a higher resolution (a smaller grid size) and need to consider the effects of steep and often variable bed slopes, and the transverse stresses found in valley glaciers.

Sample sizes were the minimum group size, the effect size was 0.25 (Cohen, 1988), and the p values calculated from the ANOVA or χ2 tests were used to determine post hoc power values.

Note that this effect of size on the perceived contrast can not be explained by the finite resolution of the visual system, because we used disks with angular diameter much larger than that of the Airy disk, and the effect was exactly the same for disks of the two different diameters we used.

Effect sizes were calculated using Cohen's d for correlated samples54.

Using statistical techniques, the researchers made adjustments to account for these known effects on brain size.

While these studies suggest beneficial effects, they both studied healthy young adults (in their early 20s1, 2), had very small sample sizes (one study had 10 participants2, the other had 201), and used volunteers as study participants.1, 2 All of these factors decreases the chances that the results can be generalized to all people who engage in exercise.

Off course ruffled lines garments look extremely hot and attractive for catwalks but since they come in various shapes and sizes, they are used by many designers to give a great effect.

The screen in the AMC / Loews on 34th St. seems to be about a quarter the size of a true IMAX screen and the 3D effect, while used subtly and to good effect here, suffered from more crosstalk (ghosting) than I'm used to seeing in high quality 3D theaters.

The miniature - size effects were not used often enough; and relied too much instead on low - budget editing effects.

Furthermore, these effect sizes are not comparable because the standard deviation used to scale the voucher results is from a much less diverse sample: low - income, inner - city students who participated in the experiment.

To identify more precisely the independent effects of the multiple factors affecting teachers» choices, we use regression analysis to estimate the separate effects of salary differences and school characteristics on the probability that a teacher will leave a school district in a given year, holding constant a variety of other factors, including class size and the type of community (urban, suburban, or rural) in which the district is located.

Noting the low level of evidence security, it is calculated that using learning styles within the classroom (for example, to match teaching style to learning style) has a low impact with an effect size of 0.13 or two months» worth of learning progress.

These studies have subsequently been shown to be based on flawed methodology (for example, low number of subjects and accidental use of a correlational score as an effect size — e.g. using R instead of Cohen's D)(Hattie, 2009)-RRB-.