问答题Psychological techniques used to lessen the effort involved in a given job include a detailed study of the motion required to do the job, the equipment used, and the conditions under which the job is performed.
问答题
Psychological techniques used to lessen the effort involved in a given job include a detailed study of the motion required to do the job, the equipment used, and the conditions under which the job is performed.
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单选题When setting arguments for a job， which procedure do you use for types that cannot be implicitly converted to and from a VARCHAR2 datatype？（）A SET_JOB_ARGUMENT_VALUEB SET_JOB_VALUE_ANYDATAC SET_JOB_ANYDATA_VALUED SET_SPECIAL_JOB_VALUEE SET_JOB_ANYTYPE_VALUE
单选题A test in industrial psychology is used to find out _____.Aa worker's achievementsBa worker's potential for a certain jobCa worker's psychological problemDa worker's motivation for a certain job
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