Mugushakisha no gutoranya abakozi bakenewe, hakoreshejwe uburyo butandukanye buva muri arsenal ya siyanse ya psychologiya ikoreshwa: ibibazo byabajijwe ku mibereho, ibibazo bisanzwe kandi bitagereranijwe, ibibazo, akazi, kwerekana imideli n'imyitozo ngororamubiri, ibizamini byagezweho, imiterere, ubwenge na abili .. .
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