The new results suggest that visual capacity is several orders of magnitude higher than the older study implied.
An older study found increased telomere length in the immune cells of people after they took part in an intensive meditation retreat.
An older study by Ilia D. Dichev and Gwen Yu, two academics who were then at the University of Michigan, produced broadly similar results.
One older study of handgun attacks in New Jersey shows that gunfire incidents involving semiautomatic weapons wounded 15percentt more people than shootings with other weapons.
An older study found that preschoolers enrolled in the WIC program snacked less, and consumed less added sugar.
The older study population was selected because people of those ages are more commonly afflicted with the ailments the study seeks to test.
While Palmatier says there has been a lot of research on the psychology of gratitude in the past five or six years, he points to an older study that's now considered a classic.
Mr. Sabban, however, cited an older study by Charles River, a consulting firm, which found that the losses in revenue for Saudi Arabia alone would be $19 billion a year starting in 2012.
An older study, often cited by critics of routine extraction, found that only 12percentt of 1,756 middle-aged people who had not had impacted wisdom teeth removed experienced a complication.
A recent US study found that 20% of Americans reported being highly stressed, and an older study suggested that the average American child in the 1980s "reported more anxiety than child psychiatric patients in the 1950s".
The older study involved a mail-in questionnaire sent to authors based in the United States while the new study, involving an online questionnaire, solicited responses from authors based both inside and outside the United States.
