Ariely says textbook economics is a fine approximation of the world--perhaps half of the time.
Even the most proven, effective treatments are only given to patients half of the time.
The other half of the time I spent in the principal's office, unable to explain anything.
Greece has been in default of its debt half of the time since the end of World War II.
The delivery truck that hauls your overnight package could soon be doing the job without the engine running half of the time.
Half of the time, we sacrifice so much for our on-field performance.
NSIAH-BUADI: I often have to remind myself that it doesn't matter that people may not understand where I am coming from half of the time.
Kerry and Lavrov met for nearly two hours at a Berlin hotel discussing Iran, North Korea and more than half of the time focused on Syria.
Mr Castle is a moderate Republican who, according to the American Conservative Union which keeps track of these things has voted along conservative lines roughly half of the time.
For instance, SAP president Sanjay Poonen travels about half of the time, during which he does all of his work from his smartphone and iPad.
When facing a "loss" either way, the monkeys preferred the chance of getting three half of the time--even though the expected payoff in all cases was the same.
The trustees of pension funds, the country's biggest shareholders, use their votes more than they used to do, but still vote (on all issues) only about half of the time, says Ann Robinson, head of the National Association of Pension Funds.
He was again wayward towards the end of the first half but right on the stroke of half time there was relief for the home fans when Aranalde brought down Keith Gillespie.
And its battery is capable of recharging in about half the time of the first-generation LEAF.
ENGADGET: New Nissan Leaf comes to the UK with battery leasing option, extended range
He said more losses are possible into the first-half of 2012, with the second-half of the year a time for these markets to build a base in time for a 2013 rally.
FORBES: 2012 Outlook: Economic Slowdown Could Pinch Demand For Some Commodities
David Goodwillie struck the only goal of the tie off the underside of the bar on the stroke of half-time.
And it looked as if their season was getting worse as they appeared to be heading out of the FA Cup when Frank Lampard put Chelsea ahead in the first half of extra time and the Toffees still trailed with only two minutes remaining.
He testified that over one-half of the total time he spent in business activity was devoted to the real estate business.
FORBES: Be Prepared to Prove the Time You Spend on Losing Side Activities
And on the stroke of half time the Latics were denied a penalty after Vidic hauled down N'Zogbia but Wigan's appeals were waved away by referee Martin Atkinson.
We have half the vacation time of the rest of the industrial world.
And the game was up for the Ports on the stroke of half-time as the superb McAllister set up Northern Ireland striker Thompson for his third goal of the season, as he had time and space to turn and fire past Miskelly.
Fuller almost doubled Stoke's lead on the stroke of half-time when he got the better of Curtis Davies to meet another Delap howitzer throw and nodded just wide.
It was a passing display so typical of Arsene Wenger's side, and it was no surprise when Adebayor made it two on the stroke of half time, the Togo international heading home unmarked from Denilson's cross.
Trailing 1-0 from the first leg in the Romanian capital, Rafa Benitez's side leveled matters as Juan Mata squeezed the ball home after 33 minutes -- but Vlad Chiriches' equalizer (and away goal) on the stroke of half time gave the game a very different complexion.
On the stroke of half-time the Wildcats proved that they were up for the fight when Hudson and Hughes combined for winger Neil Law to squeeze in at the corner and Graham Law's superb touchline kick reduced the arrears to just 22-20 points at the half-time hooter.
City's frustration increased when United doubled their advantage on the stroke of half-time - a cruel reflection of the first-half play.
BBC: Wayne Rooney celebrates putting Man Utd ahead in the derby
Reading's win at Leicester was their ninth in the last eleven games, a run which has seen them climb from the bottom three to the top half of the table for the first time this season.
Coton Sport youngster Edgar Sally scored on the only goal of the game on the stroke of half-time.
And the striker bagged his 19th goal of the season on the stroke of half time with a powerful header.
Trundle's superb curling strike found the net in the first half of extra-time and McIndoe made sure of the win with a brilliant long-range free-kick.
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