1|Page
PSYCH 1111 TRU FINAL
EXAM||COMPREHENSIVE Q&A FOR
CERTIFICATION SUCCESS 2026
independent variable - correct-answer -variable that is manipulated
dependent variable - correct-answer -a variable that an experimenter predicts
will be affected by manipulations of the independent variable
control condition - correct-answer -a comparison condition in which participants
are not exposed to the same treatment as in the experimental condition
,2|Page
random assignment - correct-answer -assigning participants to experimental and
control conditions by chance, thus minimizing preexisting differences between
those assigned to the different groups
placebo - correct-answer -inactive substance/ fake treatment used as a control in
an experiment or given by a medical practitioner to a patient
single-blind study - correct-answer -a study in which the participants are unaware
of whether they are in the control group or the experimental group but the
researchers do
experimenter effects - correct-answer -unintended changes in subjects' behavior
due to cues inadvertently given by the experimenter
,3|Page
double-blind study - correct-answer -An experiment in which neither the
participant nor the researcher knows whether the participant has received the
treatment or the placebo
field research - correct-answer -descriptive or experimental research conducted
in a natural setting outside the laboratory
descriptive statistics - correct-answer -statistical procedures used to describe
characteristics and responses of groups of subjects
arithmetic mean - correct-answer -An average that is calculated by adding up a
set of quantities and dividing the sum by the total number of quantities in the set.
Standard deviation - correct-answer -a commonly used measure of variability that
indicates the average difference between scores in a distribution and their mean
, 4|Page
inferential statistics - correct-answer -allow researchers to draw inferences about
how statistically meaningful a study's results are
significance tests - correct-answer -statistical tests that show how likely it is that a
study's results occurred merely by chance
confidence interval - correct-answer -the range of values within which a
population parameter is estimated to lie
cross-sectional study - correct-answer -a study in which people of different ages
are compared with one another
PSYCH 1111 TRU FINAL
EXAM||COMPREHENSIVE Q&A FOR
CERTIFICATION SUCCESS 2026
independent variable - correct-answer -variable that is manipulated
dependent variable - correct-answer -a variable that an experimenter predicts
will be affected by manipulations of the independent variable
control condition - correct-answer -a comparison condition in which participants
are not exposed to the same treatment as in the experimental condition
,2|Page
random assignment - correct-answer -assigning participants to experimental and
control conditions by chance, thus minimizing preexisting differences between
those assigned to the different groups
placebo - correct-answer -inactive substance/ fake treatment used as a control in
an experiment or given by a medical practitioner to a patient
single-blind study - correct-answer -a study in which the participants are unaware
of whether they are in the control group or the experimental group but the
researchers do
experimenter effects - correct-answer -unintended changes in subjects' behavior
due to cues inadvertently given by the experimenter
,3|Page
double-blind study - correct-answer -An experiment in which neither the
participant nor the researcher knows whether the participant has received the
treatment or the placebo
field research - correct-answer -descriptive or experimental research conducted
in a natural setting outside the laboratory
descriptive statistics - correct-answer -statistical procedures used to describe
characteristics and responses of groups of subjects
arithmetic mean - correct-answer -An average that is calculated by adding up a
set of quantities and dividing the sum by the total number of quantities in the set.
Standard deviation - correct-answer -a commonly used measure of variability that
indicates the average difference between scores in a distribution and their mean
, 4|Page
inferential statistics - correct-answer -allow researchers to draw inferences about
how statistically meaningful a study's results are
significance tests - correct-answer -statistical tests that show how likely it is that a
study's results occurred merely by chance
confidence interval - correct-answer -the range of values within which a
population parameter is estimated to lie
cross-sectional study - correct-answer -a study in which people of different ages
are compared with one another
