Managers and foremen have generally failed to achieve the saving and improvements which can be affected by work study because they have been unable to apply themselves continuously to such things. The full effect of work study is felt when it is applied everywhere, and when everyone becomes imbued with the attitude of mind which does not tolerate waste in any form, whether of material, time, effort or human ability; and the refusal to accept without question that things done in a certain way because that is the way they have always been done.
Wasimamizi na wasimamizi kwa ujumla imeshindwa kufikia kuokoa na maboresho ambayo yanaweza kuathirika na utafiti kazi kwa sababu wamekuwa hawawezi kuomba wenyewe kuendelea na mambo kama hayo. athari kamili ya utafiti kazi ni waliona wakati inapotumika kila mahali, na wakati kila mtu inakuwa uliojaa mwenendo wa akili ambayo haina kuvumilia taka kwa namna yoyote, iwe ya nyenzo, muda, jitihada au uwezo wa binadamu; na kukataa kukubali bila swali kwamba mambo kufanyika kwa njia fulani kwa sababu ni njia ya wao daima kufanyika.