Midterm Exam Questions and Answers
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I/O Psych - ✔✔The branch of psychology that is concerned with the study of behavior
in work settings and the application of psychology principles to change work behavior.
Hawthorne Effect - ✔✔Changes in behavior occurring as a function of participants'
knowledge that they are being observed and their expectations concerning their role as
research participants.
Stratified Sampling - ✔✔The selection of research participants based on categories that
represent important distinguishing characteristics of a population.
Variables - ✔✔The elements measured in research investigation
Hypotheses - ✔✔Statements about the supposed relationships between or among
variables
Sampling - ✔✔The selection of a representative group from a larger population for
study.
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, Random sampling - ✔✔The election of research participants from a population so that
each individual has an equal probability of being chosen.
Experimental method - ✔✔A research design characterized by a high degree of control
over the research setting to allow for the determination of cause and effect relationships
among variables.
Independent variables - ✔✔In the experimental method, the variable that is
manipulated by the researcher.
Dependent Variables - ✔✔In the experimental method, the variable that is acted on by
the IV; the outcome variable.
Extraneous Variables - ✔✔Variables other than the IV that may influence DV.
Internal Validity - ✔✔The extent to which extraneous or confounding variables are
removed from a study.
External Validity - ✔✔Whether research results obtained in one setting will apply to
another setting.
Job Analysis - ✔✔The systematic study of the tasks, duties, and responsibilities of a job
and the qualities needed to perform it.
Job Specification - ✔✔A statement of the human characteristics required to perform a
job.
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