News tagged with hypothesis
(Medical Xpress)—It has long been held that in a new environment, visual adaptation should improve visual performance. However, evidence has contradicted this expectation: Adaptation sometimes not only ...
Neuroscience Mar 30, 2013 | 5 / 5 (2) | 9 |
(HealthDay)—Reviews that are funded by industry tend to find the evidence weak for a causal link between sugar-sweetened beverages (SSBs) and the increasing prevalence of obesity, while other reviews consider ...
Overweight and Obesity May 14, 2013 | not rated yet | 0
Although knowing an actor is gay significantly affected ratings of his masculinity, there was no significant effect on ratings of his acting performance, researchers say.
Psychology & Psychiatry May 13, 2013 | not rated yet | 0
Fifteen people in Saudi Arabia have died from a SARS-like virus out of 24 people who contracted it since last August, Health Minister Abdullah al-Rabia said on Sunday.
Diseases, Conditions, Syndromes May 12, 2013 | not rated yet | 0
Human intelligence and behavior require optimal functioning of a large number of genes, which requires enormous evolutionary pressures to maintain. A provocative hypothesis published in a recent set of Science and Society ...
Genetics Nov 12, 2012 | 3.8 / 5 (37) | 78 |
University of Liege researchers have demonstrated that the physiological mechanisms triggered during NDE lead to a more vivid perception not only of imagined events in the history of an individual but also of real events ...
Psychology & Psychiatry Mar 28, 2013 | 3.8 / 5 (16) | 6 |
Damaged myelin in the brain and spinal cord does not cause the autoimmune disease multiple sclerosis (MS), neuroimmunologists from the University of Zurich have now demonstrated in collaboration with researchers from Berlin, ...
Neuroscience Feb 27, 2012 | 4.3 / 5 (7) | 6 |
(HealthDay) -- Evidence is building that poor sleep patterns may do more than make you cranky: The amount and quality of shuteye you get could be linked to mental deterioration and Alzheimer's disease, four ...
Health Jul 16, 2012 | 4.3 / 5 (12) | 4 |
French researchers on Tuesday dealt a blow to folklore that says mothers are better than fathers in recognising their baby's cry.
Psychology & Psychiatry Apr 16, 2013 | 5 / 5 (3) | 0
For expectant moms who may contemplate the pros and cons of natural child birth or Caesarian section, a Henry Ford Hospital study suggests that C-section babies are susceptible to developing allergies by age two.
Immunology Feb 24, 2013 | 5 / 5 (1) | 0 |
(HealthDay)—You may think your toddler is just playing in the sand box, but she may really be conducting a sophisticated scientific experiment and learning something new every time she pours out another ...
Psychology & Psychiatry Sep 27, 2012 | 4.3 / 5 (7) | 3 |
Scientists find that competition between two brain regions influences the ability to make healthy choices
(Medical Xpress)—Almost everyone knows the feeling: you see a delicious piece of chocolate cake on the table, but as you grab your fork, you think twice. The cake is too fattening and unhealthy, you tell ...
Neuroscience Sep 26, 2012 | 5 / 5 (1) | 0 |
Whether an applicant receives a high or low score may have more to do with who else was interviewed that day than the overall strength of the applicant pool, according to new research published in Psychological Science, a journa ...
Psychology & Psychiatry Jan 17, 2013 | 3 / 5 (2) | 1 |
(Medical Xpress) -- Previous human studies have suggested that early life exposure to microbes (i.e., germs) is an important determinant of adulthood sensitivity to allergic and autoimmune diseases such as hay fever, asthma ...
Immunology Mar 22, 2012 | 4.8 / 5 (8) | 2 |
In a study published today in the journal Nature Genetics, a group of scientists including UNC biologist Jason Lieb, PhD, present experiments supporting a longstanding hypothesis that explains how males can survive with o ...
Genetics Oct 24, 2011 | 5 / 5 (2) | 1 |
A hypothesis (from Greek ὑπόθεσις [iˈpoθesis]) consists either of a suggested explanation for an observable phenomenon or of a reasoned proposal predicting a possible causal correlation among multiple phenomena. The term derives from the Greek, hypotithenai meaning "to put under" or "to suppose." The scientific method requires that one can test a scientific hypothesis. Scientists generally base such hypotheses on previous observations or on extensions of scientific theories. Even though the words "hypothesis" and "theory" are often used synonymously in common and informal usage, a scientific hypothesis is not the same as a scientific theory. A hypothesis is never to be stated as a question, but always as a statement with an explanation following it. It is not to be a question because it states what the experimenter thinks will occur. Hypotheses are usually written in the "if-then form": If X, then Y.
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