What term describes the systematic study of behavior and mental processes?
Science
What type of study examines relationships without manipulating variables?
Correlational
What agreement ensures participants know study risks and benefits?
Informed consent
What variable is manipulated by the researcher?
Independent variable
What measure represents the most frequent score?
Mode
What do we call a testable prediction about behavior?
Hypothesis
What research method includes manipulation and control groups?
Experiment
What principle protects participant identity and data?
Confidentiality
What variable is measured in an experiment?
Dependent variable
What measure represents the average score?
Mean
What is the first step in the scientific method?
Observation
What study examines different age groups at one time?
Cross-sectional
What committee reviews research ethics proposals?
Institutional Review board (IRB)
What term defines how a variable is measured?
Operational definition
What measure represents the middle score?
Median
What process increases confidence in research findings?
Replication
What study follows the same participants over time?
Longitudinal
What process explains deception after the study ends?
Debriefing
What variable unintentionally influences results?
Confounding variable
What statistic shows the strength and direction of relationships?
Correlation coefficient
What bias occurs when researcher expectations influence results?
Experimenter bias
What type of research cannot show cause and effect?
Correlation
What ethical principle requires minimizing harm to participants?
Beneficence
What term means a test measures what it claims?
Validity
What graph displays frequency of scores visually?
Histogram