But with more energy, imagination and drive, it could have been a rich source of long-term capital for British infrastructure projects – had the instruments been developed in which the insurance companies could have invested.
Many admirers of Handel believed that the composer would have made such additions, had the appropriate instruments been available in his day.
ESO astronomers have been observing the Milky Way's black hole for 26 years, but only recently have their instruments been sensitive enough to make the kinds of observations necessary to test Einstein's theory this way.
Had such instruments been used, the discriminatory validity analyses would have also been more dependable as these measurements would provide known groups of participants with a specific emotional distress.
It should therefore be noted that response rates might have been different, and differed more between instruments, had the instruments been completed without the presence of a research assistant – for example, as part of a postal or online questionnaire.
At the time of patient recruitment, there were no published neuropathic screening instruments suitable for administration by telephone, nor had any instruments been validated for the immediate postoperative period.
