Ageing and Human Skill

accuracy achievement activity age changes age groups Age range age trends appear Belbin Birren capacity cards change with age Chapter condition correct decline different ages difficulty discrimination display effect effector end-stops errors evidence experiment experimental fact factors fifties figures Firstly formance given Hick's law identification inch indicated industrial involved Kay's learning less light limits Means per subject mechanism ment method morse key move movement Naval ratings normal Nuffield Foundation Number of subjects old age older subjects operations organic paced task percentage perception performance possible practice present preview problem processes Psychol reaction relation to age response reversed reversible perspective Schonfield scores seems sense short-term memory short-term retention shown in Fig signal similar sixties skill slowing Snellen charts speed studies stylus substantial Szafran Table tachistoscope taken target tended tion translation trials unpaced visual visual acuity Welford younger subjects