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.
gratuitous. adjective unjustified, unnecessary, needless, unfounded, unwarranted, superfluous, wanton, unprovoked, groundless, baseless, uncalled-for, unmerited, causeless The film has been criticized for its gratuitous violence.ratuitous. adjective unjustified, unnecessary, needless, unfounded, unwarranted, superfluous, wanton, unprovoked, groundless, baseless, uncalled-for, unmerited, causeless The film has been criticized for its gratuitous violence.