INDUSTRIAL AND ORGANIZATIONAL
PSYCHOLOGY MOCK EXAM WITH ANSWER
RATIONALES 2026
◉ Hawthorne Effect.
Answer: 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.
Answer: The selection of research participants based on categories
that represent important distinguishing characteristics of a
population.
◉ Variables.
Answer: The elements measured in research investigation
◉ Hypotheses.
Answer: Statements about the supposed relationships between or
among variables
◉ Sampling.
, Answer: The selection of a representative group from a larger
population for study.
◉ Random sampling.
Answer: The election of research participants from a population so
that each individual has an equal probability of being chosen.
◉ Experimental method.
Answer: 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.
Answer: In the experimental method, the variable that is
manipulated by the researcher.
◉ Dependent Variables.
Answer: In the experimental method, the variable that is acted on by
the IV; the outcome variable.
◉ Extraneous Variables.
Answer: Variables other than the IV that may influence DV.
PSYCHOLOGY MOCK EXAM WITH ANSWER
RATIONALES 2026
◉ Hawthorne Effect.
Answer: 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.
Answer: The selection of research participants based on categories
that represent important distinguishing characteristics of a
population.
◉ Variables.
Answer: The elements measured in research investigation
◉ Hypotheses.
Answer: Statements about the supposed relationships between or
among variables
◉ Sampling.
, Answer: The selection of a representative group from a larger
population for study.
◉ Random sampling.
Answer: The election of research participants from a population so
that each individual has an equal probability of being chosen.
◉ Experimental method.
Answer: 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.
Answer: In the experimental method, the variable that is
manipulated by the researcher.
◉ Dependent Variables.
Answer: In the experimental method, the variable that is acted on by
the IV; the outcome variable.
◉ Extraneous Variables.
Answer: Variables other than the IV that may influence DV.
