Sentences with phrase «per statistical studies»

Not exact matches

Using standard statistical methods, it was found that the average sales advantage for the ESOP firms in the study was $ 44,500, or an average of an 8.8 % sales per employee advantage over their non-ESOP counterparts in the same industry and of the same size; 2.)

A novel statistical method developed by study co-authors Tommi Härkänen, PhD, and Risto Kaikkonen, MSc, was used to predict adjusted average sickness absence days per working year.

Only six per cent of the studies tested a direct statistical comparison between energy intake and appetite, possibly suggesting that researchers had avoided reporting this finding.

An ongoing study of Japanese Americans living in Hawaii found a significant statistical relationship between two or more servings of tofu per week and «accelerated brain aging.»

In the same Finnish cohort that found doses of vitamin D in excess of 2,000 IU per day during infancy to powerfully protect against type 1 diabetes (see sidebar «Vitamin D and Type 1 Diabetes below), regular supplementation with vitamin D was associated with a 33 percent increased risk of atopy and allergic rhinitis compared to irregular or no supplementation; among those who supplemented regularly, the data suggested that supplementation with 2000 IU or more per day may increase the risk of asthma by as much as four times compared to regular supplementation with lower doses, although the study lacked the statistical power to determine whether or not this apparent effect was due to chance.34

The researchers also point out there were 1290 unique school and grade combinations in the study sample — an average of 40 students per combination — which meant it «lacked statistical power to find significant differences between treatment conditions or grade levels».

Finally, while the motivation of the entire study was to investigate the role and effect of different state policies, the only policies RAND's researchers actually built into their main statistical models were differences in per - pupil spending, student - teacher ratios, and other resource variables.

As per an article in The Albuquerque Journal, he «stressed that numerous studies [emphasis added] show that teachers make a big impact on student success,» expressly contradicting the American Statistical Association (ASA) on the stand, while also (only) referencing (non-representative) studies of primarily his econ - friends (e.g. Raj Chetty, Eric Hanushek, Doug Staiger) and studies of his own (e.g, as per his Measures of Effective Teaching (MET) studies).

The study found «no significant statistical difference» between the average costs per square foot for LEED versus conventional buildings.

Each year, the National Insurance Crime Bureau (NICB) studies Metropolitan Statistical Areas (MSAs), or major metropolitan areas to compare the number of vehicle thefts per 100,000 people.

Despite the fact that California leads the pack in a number of ominous statistical categories where highway safety and vehicular crime are concerned, a recent study of national auto insurance premiums by the Insurance Information Institute found that the average Californian pays just $ 800 per year in auto insurance premiums, right in line with the national average of $ 795.

Relevant studies were selected if there were ≥ 10 participants per group; eating disorders were assessed by interview using the Diagnostic and Statistical Manual of Mental Disorders, 3rd edition (DSM - III) or DSM - III - R or using valid and reliable questionnaires; and sexual abuse before age 18 years was assessed by interview or using appropriate questionnaires.

My studies show that fewer than half of one per cent of Realtors bother getting accurate statistical information.