Sentences with phrase «competing hypotheses»

There are two major competing hypotheses about the origins of modern humans.

Current competing hypotheses for the mammoth's extinction point to human hunting or climate change, possibly combining in a deadly one - two punch.

To the scientist, there are no such things as a scientific «truths»; there are only competing hypotheses with which we have more or less confidence.

We always have multiple competing hypotheses, although in the initial stages, none of those hypotheses may have strong evidence to support it.

To find out, the Fund for Theological Education asked the Auburn Center for the Study of Theological Education to help document the changes in the student bodies and to test competing hypotheses about what the changes mean.

The research, focusing on cranial and dental features, was the first of its kind to compare competing hypotheses on the relationships between various hominin species using a complex method known as Bayesian analysis.

What I have tried to do today is to de-mystify the process, and show that it involves what most people would expect: it examines data and evaluates competing hypotheses about the economy's current and likely future performance.

Their argument has been around for four decades, but nothing in the letter addresses the challenges we raised: that the mathematical ground of inclusive fitness theory is unsound and that, when you compare competing hypotheses, outcomes are much more directly and convincingly explained by mainstream natural selection.

Three major competing hypotheses for the habitat of early snakes — burrowing i.e. worm - like, aquatic, or terrestrial — have been debated for more than a century by biologists and palaeontologists.

Even the best - sourced experts can't discern how policy preferences and objectives shape political coalitions or élite Party divisions, and we lack critical diagnostic information that would be necessary to confirm or refute competing hypotheses about major political questions.

Competing hypotheses suggest roles for SNAREs in mediating the specificity of fusion, catalyzing fusion, or actually executing fusion.

Competing hypotheses based largely on research on terrestrial insect species, such as ants, bees, wasps and termites, suggest that eusociality and communal breeding are either alternative evolutionary endpoints, or that communal breeding is an intermediate stage in the transition from pair - forming to eusociality.

Meaningful scientific experiments ideally set up a situation in which competing hypotheses make different predictions about what will happen.

The old competing hypotheses seem to explain different sides of the same problem, making arguing about them pointless unless extinctions and originations are studied separately.

There are many competing hypotheses.

In any case, it is likely that the existing evidence will not allow us to fully adjudicate between competing hypotheses.

Where competing hypotheses are being considered, someone from the other side is better suited to appraising your methodology, provided they review with integrity (which would be the norm).

«Figure 1 illustrates the two competing hypotheses concerning Atlantic hurricanes.

Given how temps have progressed over the last couple of decades, and the existence of other competing hypotheses to AGW that predict cooling, are you sure you want to make that bet?

Competing hypotheses for explaining the role of anxiety in the relation between attention - deficit / hyperactivity disorder (ADHD) symptoms and childhood aggression were evaluated.

«[It] uses this large amount of data to evaluate competing hypotheses and obtains very clear results.»

Once the first brown dwarf candidates were actually found, however, astronomers realized that it was actually quite difficult to definitely rule on the validity of competing hypotheses about how a substellar object was actually formed without having been there.

One searches in vain for signs that Wallis is aware of the multiple, competing hypotheses which have emerged in the past decade concerning the continued stagnation of the less - developed countries (LDCs).

Mallon tested two competing hypotheses.

Astrophysicists have since created numerical simulations of the Tunguska event to try to decide among the competing hypotheses.

The theory that galactic nuclear bulges form through the merging of globular clusters is contested by the competing hypothesis that these bulges are actually due to the rapid accretion of gas.

Thus, the first step that NuSI - funded researchers will take is to test the competing hypotheses on weight loss, which can happen relatively quickly.

A competing hypothesis was that the thinner pages were a technological development, perhaps achieved by splitting skins apart or grinding and pounding them extremely thin.

With support from the Laura and John Arnold Foundation in Houston, Tex., we have recruited independent scientists to design and carry out the experiments that will meticulously test the competing hypotheses of obesity (and by extension, weight gain).

«We thought this was a very interesting set up and when we tested these two competing hypotheses in this adoptive - based research design, we found there was no association between parenting and the child's intelligence later in life once we accounted for genetic influences,» Beaver said.

Rather than using complex computer models to estimate the effects of greenhouse - gas emissions, Lovejoy examines historical data to assess the competing hypothesis: that warming over the past century is due to natural long - term variations in temperature.

«Our analysis sets up a test of competing hypotheses, and our preliminary results are consistent with expectations under hunting pressure.»

With more manned lunar exploration a decade or two away, the mysteries of the moon's geologic past remain in the realm of competing hypotheses.

Competing hypotheses have proposed that excess fuel carried on spring migration could go toward their reproductive effort and boost nesting success, or it could be insurance against arriving on their breeding grounds early when food is scarce.