Tests selected to screen donor blood and tissue must provide a high degree of confidence that HIV will be detected if present ( that is, a high sensitivity is required ).

Tests used for the diagnosis of HIV infection in a particular person require a high degree of both sensitivity and specificity.

Tests may either look for simply elevated antibodies ( which indicate some sort of infection ), or specific antibodies to the virus.

Bradman's men were greeted by packed crowds across the country, and records for Test attendances in England were set in the Second and Fourth Tests at Lord's and Headingley respectively ; the crowd at Headingley remains a record, and it was there that Australia set a world record by chasing down 404 on the last day for a seven-wicket victory.

Australia went 2 – 0 up after three Tests, but England won the Fourth Test by 3 runs ( after a 70-run last wicket stand ) to set up the final decider, which was drawn.

The First Test at Lord's was convincingly won by Australia, but in the remaining four matches the teams were evenly matched and England fought back to win the Second Test by 2 runs, the smallest victory by a runs margin in Ashes history, and the second-closest such victory in all Tests.

The rain-affected Third Test ended with the last two Australian batsmen holding out for a draw and England won the Fourth Test by three wickets after forcing Australia to follow-on for the first time in 191 Tests.

The 2010 – 11 Ashes series is the only one in which a team has won three Tests by innings margins and it was the first time England had scored 500 or more four times in a single series.

Acceptance Tests / Criteria ( in Agile Software Development ) are usually created by business customers and expressed in a business domain language.

* Lara struck 277 runs against Australia in Sydney, his maiden Test century, the fourth highest maiden Test century by any batsman, the highest individual score in all Tests between the two teams and the fourth-highest century ever recorded against Australia by any Test batsman.

Tests were conducted on collected specimens, and it was found that they had been infected by the parasitic fly apocephalus borealis ( also known as the zombie fly ).

* Tests done by many universities continue to support the existence of gravitational redshift.

Tests have shown that energy output by the propellant is higher than energy input from outside sources on ETC guns.

Tests in stronger gravitational fields are provided by the observation of binary pulsars.

Jardine, and by extension the entire English team, threatened to withdraw from the fourth and fifth Tests unless the Australian Board withdrew the accusation of unsporting behaviour.

He is unusual amongst the majority of current Test players in that he has played in more Test matches than other first-class games ( 116 Tests and 99 other first class matches as of 2007 ). He has been signed by Gloucestershire in 2011 to play in T20 matches.

From 1964, the Merry Pranksters, a loose group that developed around novelist Ken Kesey, sponsored the Acid Tests, a series of events based around the taking of LSD ( supplied by Stanley ), accompanied by light shows, film projection and discordant, improvised music known as the psychedelic symphony.

This was followed by three unproductive Tests which yielded only 5 / 360 and a win apiece.

A list of matches, defined as " Tests ," was first drawn up by Australian Clarence Moody in the mid 1890s.

Tests in mice were followed by tests in humans, beginning in 1989.

Tests have shown that the hole bored by a DU projectile is of a narrower diameter than for a similar tungsten projectile.

It was first used in English in an article by Irving Kaplansky, " Lucas's Tests for Mersenne Numbers ," American Mathematical Monthly, 52 ( Apr., 1945 ).

Tests such as these are by no means conclusive of deficits, but may give a good indication as to the presence or severity of dementia.

Tests conducted during the mid to late 1940s appeared to confirm that the rifle did have some accuracy issues, most likely relating to the lightening cuts made in the receiver, combined with the presence of a flash suppressor on the end of the barrel., and the British Government officially declared that the Jungle Carbine's faults were " inherent in the design " and discontinued production at the end of 1947.

Tests for the possible presence of heteroscedasticity are outlined below.

He was never in the running for Test selection that season, although his presence may have been missed as the English batting was unreliable in the Tests.

Tests were conducted on blood samples, and a positive test was determined by the presence of antibodies in the blood, defined as being seropositive.

Nonetheless Jarvis had a fantastic career as the wicketkeeper for South Australia, and despite the presence of Blackham still played 11 Tests for Australia and toured England.

Tests which may be employed include electrodiagnostic testing using electromyography, muscle biopsy, serum creatine kinase ( CK ), and antibody testing.

Tests for thrombophilia include complete blood count ( with examination of the blood film ), prothrombin time, partial thromboplastin time, thrombin time and reptilase time, lupus anticoagulant, anti-cardiolipin antibody, anti-β2 glycoprotein 1 antibody, activated protein C resistance, fibrinogen tests, factor V Leiden and prothrombin mutation, and basal homocysteine levels.

It should be borne in mind that Tests in Australia prior to the war were all played to a finish.

He started badly, losing the first two Tests heavily after Australia were caught on sticky wickets.

Playing 34 matches on tour — three of which were not first-class — including the five Tests, they remained unbeaten, winning 27 and drawing only 7.

It was Australia's second consecutive innings defeat in a wet summer, and the hosts were in strong positions in the two drawn Tests, in which half the playing time was washed out.

In his defence, 9 of his matches as captain were against the best team of that era, the West Indies, who won 12 out of the next 13 Tests played against England.

Utilising his hopping technique and attempting to play unorthodox shots resembling overhead tennis smashes, Bradman failed to make an impact, and England were buoyed ahead of the Tests.

In Sri Lanka's humiliating drubbing at the hands of India in 1993 – 94, where all three Tests were innings defeats, Muralitharan was the sole success, with 12 wickets in the rubber.

Particularly prominent products of the scene were The Grateful Dead ( who had effectively become the house band of the Acid Tests ), Country Joe and the Fish, The Great Society, Big Brother and the Holding Company, The Charlatans, Moby Grape, Quicksilver Messenger Service and Jefferson Airplane.

New South Wales were the dominant state at the time, and vacancies in the team were scarce, particularly as there were no Tests that season and all of the national team players were available for the whole summer.

In the previous seasons when he and his team were at their peak, he had scored 636 runs at 31. 8 with taken 108 wickets at 20. 27 in eighteen Tests, averaging six wickets a match.

Tests of the improved Pewee 2 design were cancelled in 1970 in favor of the lower-cost Nuclear Furnace ( NF-1 ), and the U. S. nuclear rocket program officially ended in spring of 1973.

Whether at a " love-in " on Mount Tamalpais near San Francisco, a demonstration against the Vietnam War in Berkeley, or one of Ken Kesey's " Acid Tests ", if the " vibe " wasn't right and a change of scene was desired, hippies were mobile at a moment's notice.

Tests in 1918 were disappointing as performance was only marginally better than the Sopwith 1½ Strutter which it was designed to replace, and only 312 aircraft were ordered from the firm.

As chairman of the Committee on the Psychological Examination of Recruits, he developed the Army's Alpha and Beta Intelligence Tests, the first nonverbal group tests, which were given to over 1 million United States soldiers during the war.

Tests were later done with Mario characters in dollhouses and such.