Points to Consider about Recruitment and Retention While Preparing a Clinical Research Study The following âpoints to considerâ are meant to serve as a resource as investigators plan a clinical research study and an NIMH grant application. These âpointsâ outline common issues that can impact clinical recruitment and retention, and where
ungrateful-not feeling or showing gratitude; ungrateful heirs; How sharper than a serpent's tooth it is / To have a thankless child!- Shakespeare. thankless, unthankful. grateful, thankful-feeling or showing gratitude; a grateful heart; grateful for the tree's shade; a thankful smile.
adj. irritable, often due to old age. 1  awkward. 2  bad-tempered. 3  bearish. 4  cantankerous. 5  contrary. 6  crabby. 7  cranky. 8  cross. 9  cross-grained. 10  crusty. 11  curmudgeonly. 12  difficult. 13  disagreeable. 14  eccentric. 15  fractious. 16  grouchy. 17  grumpy. 18  irritable. 19  obstinate. 20  obstreperous. 21  odd. 22  ornery. 23  peevish. 24  queer. 25  surly. 26  testy. 27  unusual. 28  vinegary. 29  waspish. 30  waspy.