Table 2 Aggregated count of participants' ratings of the difficulty of detecting various obstacles Obstacle Difficulty of detection Very easy Easy Neutral Difficult Very difficult Ascending stairs 5 1 0 2 2 Descending stairs 2 1 4 1 2 Moving obstacles 5 0 1 0 4 Very small obstacles 1 0 1 0 8 Walls 7 0 2 0 1 Chairs/tables 3 1 6 0 0 People 5 3 0 1 1.
Fifth, we doubled the cost of invasive tests for screen-detected tumors to account for the difficulty of detecting non-palpable lesions.
Dr. Kraft said her group was not ready to recommend antibiotics generally, in part because of the difficulty of detecting such low levels of infection.
On average, Dr. Brawley said, black women are heavier and have denser breast tissue than whites, increasing both their chances of breast cancer and the difficulty of detecting it on a mammogram.
In a 2007 article, Patrick Radden Keefe detailed the world of wine fraud, and the difficulty of detecting the crime: Rajat Parr, a prominent wine director who oversees restaurants in Las Vegas, told me that several years ago some of his customers ordered a bottle of 1982 Pétrus, which can sell in restaurants for as much as six thousand dollars.
Surveys of rare species are challenging owing to the difficulty of detecting them on a landscape.
A possible reason is that the difficulty of detecting and avoiding obstacles was similar in both trials.
Between the ease of setting up a campaign, the difficulty of detecting fraud and the ability to set up campaigns on someone else's behalf, rooting out fraud on online donation sites can be tremendously complicated.
However, because of the difficulty of detecting the occurrence of a motor imagery, general motor imagery based BCI studies have been focusing on the cued motor imagery paradigm.
Given the difficulty of detecting small changes in soil carbon stocks against a large background it is helpful to examine the surface soils, which are shown in Figures 3b (thinning treatments) and 3d (clearcuts).
Our findings suggest maintaining forest in upstream riparian areas is critical for conserving downstream biota, and emphasize the difficulty of detecting declines in long-lived species when environmental alterations act specifically on recruitment of young age classes.
