اﻟﺬﻛﺎﺀ ﺍﻟﺮﻭﺣﻲ ﻭﻋﻼﻗﺘﻪ ﺑﺎﻟﺴﻌﺎﺩﺓ ﻭﺗﻘﺪﻳﺮ ﺍﻟﺬﺍﺕ ﻟﺪﻯ ﻋﻴﻨﺔ ﻣﻦ ﺍﻟﻤﻜﻔﻮﻓﻴﻦ ﻭﺍﻟﻌﺎﺩﻳﻴﻦ