AP Psychology Competency Certification Study Guide Exam
Questions with Certified for Accuracy Answers 2025/2026
Blind research - correct answer subjects don't know they are apart of the
control/experimental group
Double blind research - correct answer neither the subject or the
experimenter knows who is the controlled or experimental group
Placebo - correct answer A harmless pill, medicine, or procedure
prescribed more for the psychological benefit to the patient than for any
physiological effect.
Correlational study - correct answer A research project designed to
discover the degree to which two variables are related to each other
Perfect correlations - correct answer -1.00 and +1.00 correlations (very
rare). The high the number the higher the correlation. .78<-.99
Positive correlation - correct answer A correlation where as one variable
increases, the other also increases, or as one decreases so does the other.
Both variables move in the same direction.
Negative correlation - correct answer A finding that two factors vary
systematically in opposite directions, one increasing as the other decreases.
Random selection - correct answer A way of ensuring that a sample of
people is representative of a population by giving everyone in the population
an equal chance of being selected for the sample
, Random assignment - correct answer Assigning participants to
experimental and control conditions by chance, thus minimizing preexisting
differences between those assigned to the different groups.
Independent variables - correct answer A variable that a scientist changes
to find out how this change affects other variables in the experiment.
Dependent variables - correct answer The outcome factor -- the variable
that may change in response to manipulations of the independent variable
Informed consent - correct answer An ethical principle requiring that
research participants be told enough to enable them to choose whether they
wish to participate.
American Psychological Association - correct answer Ensures both human
and animal subjects are treated with dignity.
Ethics - correct answer A system of moral principles.
Standard deviation - correct answer A computed measure of how much
scores vary around the mean score.
Mean - correct answer Average
Median - correct answer A measure of center in a set of numerical data.
The median of a list of values is the value appearing at the center of a sorted
version of the list - or the mean of the two central values if the list contains an
even number of values.
Mode - correct answer Most common
Questions with Certified for Accuracy Answers 2025/2026
Blind research - correct answer subjects don't know they are apart of the
control/experimental group
Double blind research - correct answer neither the subject or the
experimenter knows who is the controlled or experimental group
Placebo - correct answer A harmless pill, medicine, or procedure
prescribed more for the psychological benefit to the patient than for any
physiological effect.
Correlational study - correct answer A research project designed to
discover the degree to which two variables are related to each other
Perfect correlations - correct answer -1.00 and +1.00 correlations (very
rare). The high the number the higher the correlation. .78<-.99
Positive correlation - correct answer A correlation where as one variable
increases, the other also increases, or as one decreases so does the other.
Both variables move in the same direction.
Negative correlation - correct answer A finding that two factors vary
systematically in opposite directions, one increasing as the other decreases.
Random selection - correct answer A way of ensuring that a sample of
people is representative of a population by giving everyone in the population
an equal chance of being selected for the sample
, Random assignment - correct answer Assigning participants to
experimental and control conditions by chance, thus minimizing preexisting
differences between those assigned to the different groups.
Independent variables - correct answer A variable that a scientist changes
to find out how this change affects other variables in the experiment.
Dependent variables - correct answer The outcome factor -- the variable
that may change in response to manipulations of the independent variable
Informed consent - correct answer An ethical principle requiring that
research participants be told enough to enable them to choose whether they
wish to participate.
American Psychological Association - correct answer Ensures both human
and animal subjects are treated with dignity.
Ethics - correct answer A system of moral principles.
Standard deviation - correct answer A computed measure of how much
scores vary around the mean score.
Mean - correct answer Average
Median - correct answer A measure of center in a set of numerical data.
The median of a list of values is the value appearing at the center of a sorted
version of the list - or the mean of the two central values if the list contains an
even number of values.
Mode - correct answer Most common
