Sentences with phrase «determine effect sizes»

The necessary design elements for studies testing environmentally related risk factors are longitudinal study design, with - in subject comparison, and sufficient power to determine effect sizes.

Hattie took 195 factors, and did a meta - analysis to determine their effect sizes on student achievement.

A univariate ANOVA was run to determine effect size and test - retest reliability.

To determine this effect size, the authors multiplied the standard deviation for each NAEP exam by the change in its z - score, a statistical term used to describe distance from the mean.

Based on the current data set, we determined the effect size that would be required at 1 year to achieve 80 % power assuming a sample size of 58 subjects per group (174 total), with time measured in log days, a type I error rate of 5 %, and use of a 2 - sided test.

Not exact matches

Objective To determine whether food industry sponsorship is associated with effect sizes, statistical significance of results, and conclusions of nutrition studies with findings that are favorable to the sponsor and, secondarily, to determine whether nutrition studies differ in their methodological quality depending on whether they are industry sponsored.

A prospective, controlled study of the effect of breast milk on infection among low birth weight infants was conducted in India in 1981.18 Although the sample size was small, 62 infants, the study design was a randomized block design in which feeding schedules for breast milk or formula were randomly allocated within groups of infants that were determined to be relatively homogeneous with respect to factors predisposing to infection.

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.

Aerosol particles have different sizes, as well as chemical and physical properties, all of which determine their climate effects.

To validate this size - effect, the researchers reviewed the available literature data on the strength of olivine to determine the sizes and areas that had been tested in previous experiments dating to the late 1970s.

The valuable cooling effects of large urban green spaces has been established; now scientists from Forest Research, the research agency of the Forestry Commission, have studied small and medium sized parks in London to determine the optimum size, distribution and composition of urban green spaces needed to achieve urban cooling.

Working to Ewers's experimental design, the loggers will leave patches of rainforest of different sizes, and at different distances from other patches of rainforest, to determine the effects of different levels of deforestation.

Looking back at previously collected strength data for olivine, the researchers determined that the discrepancies in those data could be explained by invoking a related size effect, whereby the strength of olivine increases with decreasing grain size of the tested samples.

The future effect of automation on jobs is yet to be fully determined, but it looks as if city size will play a part.

Instead of effect sizes of 100 % for proganulin levels, we ask you to provide effect sizes of 20 - 30 % change for power calculations in progranulin brain levels for Figure 3 to determine whether the power value is > 0.70.

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.

Post hoc t - tests determined that there were significant increases in hip extension within session 2 (p ≤ 0.05; effect size: r = − 0.11) for the intervention group.

The effect size of the protein - related changes in sweet cravings and savory cravings following normal vs. high protein breakfast meals were determined from Belza et al. [34].

She discovered that her impact was.68, well above the.40 effect size recommended as the hinge point for determining one's effectiveness.2 «I haven't used it yet to look at individual students, but that's where I want to go next.

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

The same tool can be used to determine individual student effect sizes.

- after the remakes of Terry's Wonderland 3D and Dragon Quest Monsters 2, Yuji Horii asked the team what should be next - the choices were Caravan Heart (GBA), a professional version of Dragon Quest Monsters 2, or a brand new game - the staff made the plot together with Takeshi Uchikawa (who is currently directing Dragon Quest XI)- the suggestion was to make the theme become something catchy, which lead to a science fiction vibe - Horii said «anything's alright as long as it's interesting» - the creation of the Dragon Quest Monsters: Super Light helped build Joker 3 - fan feedback from the mobile game was used, which lead to monster stats being seen - the Reactor device lets you easily see all the things that occur on the field - the team had some trouble bringing together the ridable monsters aspect of the game, but eventually worked it out - the full game starts off with monsters that players can ride on land - you'll eventually unlock sea, air, and multi-jump land rising monsters - a «Big Air ride» was teased as well - by clearing the story, features will be unlocked that further modify monsters such as abilities and changing their sizes - Stealth Boxes which can not be found without using the Reactor only contains useful items that are optional - compulsory items that are needed to be found with the Reactor are placed in non-stealth locations - accessories can strengthen monsters, but monster strength is mainly determined from raising and combining them - features more offense - related content in the form of new spells and skills - new water - type spells are included - new skills added enable more detailed adjustments in versus, adding more strategic features - one of the items that can be bought with Communication Coins has the same effect with «Key of Encounters» - this lets players recruit monsters a bit more easily they've befriended before - since Communication Coins can only be obtained from multiplayer battles, it's completely optional - people who still do StreetPass but don't want to do multiplayer battles can still get them by combining monsters - DLC monsters are planned to be added regularly post-release until around Golden Week (April 29 — May 5)- - A national tournament is also planned, with more details coming later - carryover feature from Dragon Quest Monsters 2 that comes into play after the ending - players can bring up to 10 monsters which are ranked A or below from DQM2 to DQMJ3 each day

These striking effects can overshadow another crucial aspect of Owens's work — her attention to how the site of a painting's display determines her decisions about size and color.

I even saw mention of experiments where humidity determined the size at which dust clustered — and how this further affects what is called the «imaginary index of refraction» at different wavelengths — which no doubt plays an important role in determining the associated albedo and greenhouse effect.

The size of the mirror would determine how much sunlight it could reflect back towards space and, therefore, its cooling effect, says Prof Govindasamy Bala, from the Divecha Centre for Climate Change at the Indian Institute of Science.

To calculate that effect the size of the droplets must be determined as the result depends on the terminal speed of the droplets.

Just pointing out that the SIZE of an effect as well as its direction has a big part to play in determining what our response should be.

A priori power analyses determined that a total of 234 participants would offer 80 % power to detect a small - to - moderate effect size.

Sample size was determined a priori based on a power calculation, 26 which indicated that 165 participants would provide 70 % power to detect a medium effect size, including an adjustment for multiple comparisons.

To address the possible publication bias (ie, the fact that studies with nonsignificant results are less likely to be published), we computed the fail - safe N (Nfs) according to the method Orwin16 proposed, which is more conservative than the traditional Rosenthal Nfs.17, 18 Orwin's Nfs determines the number of additional studies in a meta - analysis yielding null effect sizes that would be needed to yield a «trivial» OR of 1.05.

Within - group effect sizes were determined for each study using Cohen d statistic (baseline standard deviations were pooled where there was more than one patient group).

Separate effect sizes were determined for targeted symptoms, general symptoms, and social functioning.

Between - group effect sizes were determined by measuring the difference in magnitude of change between treatment and comparison groups in units of standard deviation.

Fact: «Using data from subsets ranging in size from 777 to 1,501 children from the child supplement to the National Longitudinal Survey of Youth (NLSY), a series of multivariate regression models were tested to determine whether the effects of nonresident father involvement on child well - being vary by race, mother's education, or whether the child was born within or outside of marriage.

Limitations include the use of multiple interventions simultaneously, making it difficult to determine which intervention (s) had an effect, small sample size, lack of randomization, and lack of post-intervention follow - up.

In this way, we could determine the degree to which the initially estimated overall effect was robust against outliers in effect sizes.

Confirmatory factor analyses were employed to test measurement invariance between these two populations, Cronbach's alphas were calculated to determine the reliabilities of the scales, and partial eta - square tests calculated the effect size of the differences between socially anxious and healthy adolescents and between the adolescent boys and girls.

This paper aims to review these studies to determine the consistency and size of effects, and the quality of the literature.