Sentences with phrase «t test of»

The rate of decline also was significantly greater after the high - protein diet (P < 0.001), which was determined by using Student's paired t test of the decrement in slope over 5 wk.

The rate of decline was also significantly greater after the high - protein diet, P < 0.001 (Student's paired t test of the decrement in slope over 5 wk).

For the logit - based analyses and the t tests of differences in means, 1 - tailed tests of significance were conducted (α =.05) because we had an a priori prediction about the direction of the effect for each predictor variable.

Instead, a representative sampling of significant findings were reported in table format, although coefficients and accompanying t tests of significance are reported in the text for all significant findings.

Not exact matches

Our stress - testing miss in this cycle is unfortunate, but recall that the 2007 - 2009 bear wiped out the entire total return of the S&P 500 in excess of T - bill returns going all the way back to June 1995.

This paper examines the day of the week effect in the crypto currency market using a variety of statistical techniques (average analysis, Student's t - test, ANOVA, the Kruskal - Wallis test, and regression analysis with dummy variables) as well as a trading simulation approach.

«BIDDING WAR» IN AIRLINES: In a research note to investors, Stifel's DeNardi argued that the Sprint / T - Mobile merger announcement and approval process was the first major test of the Trump administration's view on consolidation.

These individual - level accuracy maps were then smoothed with a 3 - mm FWHM kernel, warped to Talairach space, and the group of subjects» maps was submitted to a directional one - sample t test against 0.25 to determine whether any regions reliably encoded information about the identity of the agent or patient across subjects.

To date Amarillo has tested 5 of the 19 known old workings at Lavras do Sul and 4 of these have returned significant gold values, including the Butia prospect 215,000 ounces of gold Indicated from 6.4 MT at 1.05 g / t Au, and 308,000 ounces of gold Inferred from 12.9 MT at 0.74 g / t Au using a 0.30 g / t cut - off grade.

Additional targets include low sulphidation gold targets; previous drilling included 16.9 m of 13.04 g / t gold near surface just west of Timok; more drill testing required.

Bobija: Reservoir hole BB - 07 intersected 15.1 m of 4.73 % Zn, 4.23 % Pb, 122 g / t Ag and 1.91 g / t Au near old Barite mine; further drill testing required,

To investigate, we test whether a simple measure of the volatility risk premium (VRP) for T - notes predicts returns for the iShares 7 - 10 Year Treasury Bond (IEF) exchange - traded fund.

After reserving the first year for initial momentum calculations, they segment each sample into halves for in - sample optimization of B and T and out - of - sample testing.

To test economic value of findings, we examine a Dynamic Weighted strategy that modifies a benchmark 60 % allocation to SPDR S&P 500 (SPY) and 40 % allocation to iShares Barclays 7 - 10 Year Treasuries (IEF), rebalanced weekly, to 80 % SPY when T - note condition the prior week is Below Lower and 40 % SPY when Above Upper.

«Theology of prayer» does not change anything — ’ t is a matter of how you set up the experiment to test an empirical question.

King Arthur Flour only tests for the presence of gluten in these products, and canâ $ ™ t guarantee they never come in contact with allergens, for instance, during shipping or storage.

We monitored the ten study streams during the dry (April & December), transition (July), and peak (October) rainfall seasons of 2013, and compared responses using t - tests.

The snacks were divided into subgroups based on product type (fruit drink snacks, licorice, non-dairy ices, ice creams and savories) and their caloric content per portion was compared with the caloric content of reference products derived from the Dutch Food Composition Database [13], using one - sample t - tests.

One of the most notable additions to the 2017 cars is the T - wing, which has been trialled a Mercedes and a few other teams in testing so far.

Although it looks like the shark fins are here to stay for this season at least, some of the T - wings could be banned for the first race of the year if they fail to pass the FIAs flexibility tests in Melbourne.

Some teams started running single T - wing aerodynamic devices during pre-season testing and since the opening race, we've seen a number of different designs.

Mercedes has turned some heads on the second day of testing in Barcelona as the W08 is now running with a double T - wing.

A composite knowledge score, representing the percent correct of 21 knowledge questions, was calculated; preintervention and postintervention composite knowledge scores for each individual were compared using the paired t test.

Second, comparisons in milk waste data were studied using an unequal sample size, unequal variance t - test and the degrees of freedom for the test were calculated using the Welch - Satterthwait equation [21].

As soon as I saw that plus sign on the pregnancy test, I got more strict about having T clean up all of his toys so that I don't have to get on my hands and knees to pick things up off the floor.

I normally have signs of pregnancy while on provera that come on cardiac to a T but this medication i am now 2 1/2 wks ago last week i came to the dr for it and was given a pregnancy test which was judged and put on provera to take a period.

To estimate the prevalence of positive serology among potential donors to a human milk bank.Retrospective review of our experience with donor serological testing at our milk bank over a 6 - year interval.Not - for - profit, regional human milk bank.Volunteer, unpaid potential donors of human milk.Serological testing for syphilis, HIV, hepatitis B, hepatitis C, human T cell lymphotropic virus type 1 (HTLV - 1) and human T cell lymphotropic virus type 2 (HTLV - 2).

Mean values of T, adjusted for time of saliva collection and usual wake time (AM), were compared using paired t testsT, adjusted for time of saliva collection and usual wake time (AM), were compared using paired t testst tests.

We next tested whether the large decrease in T among new fathers was contingent on the age of a man's youngest child.

The 2 - tailed Student's t - test was used to assess the statistical significance of our results.

Data were entered and analyzed using SAS, BMDP, and Epi Info version 6.17 Statistical tests used to compare sociodemographic characteristics (Tables 1 and 2) included Student's t test, χ2 test, and Fisher's exact test as appropriate.18 Analyses of breastfeeding problems and frequency were examined using χ2 tests and Student's t test, respectively.

It's happened to so many of us — particularly those of us addicted to early pregnancy testing: you take a pregnancy test, follow the instructions to a «t», and at the end of the interpretation period, there's a faint line on the pregnancy test where the test line would appear.

The Cabinet Manual states that «[t] he point at which the restrictions on financial and other commitments should come to an end depends on circumstances, but may often be either when a new Prime Minister is appointed by the Sovereign or where a government's ability to command the confidence of the Commons has been tested in the House of Commons» (§ 2.30).

In his second inaugural address President Franklin Delano Roosevelt famously said, «[t] he test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.»

Upon registration, teams of two to six people will be equipped with t - shirts, a map of the park, a tote bag and a list of new clues that will test participants» knowledge of the 1939 - 40 and 1964 - 65 World's Fairs and of the park as it is now.

In 2013, 25 percent of individuals taking it started treatment without bothering to get a blood test to see if they actually had low T, according to the FDA.

The team printed t - shirts with that motto, written in Greek, acknowledging the fact that many of the theories they tested were eventually proved wrong.

The current test is only able to analyze part of the human immune system, namely the B - cells but not the T - cells, which are needed as helper cells to fight the infection and whose activity indicates the presence of an infection.

The so - called STEP trial, sponsored by pharmaceutical giant Merck & Co. and the federally funded HIV Vaccine Trials Network (HVTN), was the first to test the idea of stimulating the immune system's killer T cells to hunt for the virus more aggressively, in this case using a weakened form of the cold virus to carry three genes from HIV.

As the authors of the new UNC study write, admissions committees often assume that «[t] ypical selection criteria [such as] standardized test scores, undergraduate GPA, letters of recommendation, a resume and / or personal statement highlighting relevant research or professional experience, and feedback from interviews with training faculty... correlate with research success in graduate school.»

In a recent test of those questions, Graybiel and colleagues trained a group of rats to turn either left or right in a T - shaped maze, based on different sound cues.

T o test whether BA can protect fruit from D. suzukii, Ray and his graduate student Christine Krause Pham conducted a series of experiments using two bowls of fresh, ripe blueberries — a preferred fruit of D. suzukii.

Methods used for conducting statistical tests (e.g., t - test, Wilcoxon signed rank test, Wald test of regression coefficient) and for constructing confidence intervals (e.g., normal - based 95 % CI: mean ± 2SD, likelihood ratio - based interval) should be clearly stated.

Blood tests showed that IL - 7 curbed the production of SOCS3 in a type of immune cell called a T - cell, thereby boosting T - cell response.

T - ray test Clough, an R.P.I. doctoral student in electrical, computer and systems engineering who hopes to complete his PhD within a year, has demonstrated a cost - effective technique for using sound waves to boost the effective distance of terahertz spectroscopy from less than a meter to several meters.

In tests of strains missing some of their extra genes, though, the T cells didn't respond as strongly as they did to a matching strain that contained the extra genes.

To test whether men can also choose the most fertile scents from a set of unknown women, a group of researchers conceived a study using smelly T - shirts.

To see if the same chain of events happens in rheumatoid arthritis, Smith's team tested whether various kinds of fibroblasts would spur T cell migration in test tubes.

The team tested a fresh - market sweet corn hybrid varying in the absence or presence of the GR+B t transgenes; Passion and Passion II, respectively.

Blood testing showed an expansion in the numbers of CD19 - targeted CAR T - cells that coincided with the tumor's regression.