#1
Which research method involves observing and recording behavior in naturally occurring situations without trying to manipulate or control the situation?
Naturalistic Observation
ExplanationObserving behavior in real-world settings without interference.
#2
What does a correlation coefficient measure?
The strength and direction of a relationship between two variables.
ExplanationQuantifies the relationship between two variables.
#3
What is an independent variable in an experiment?
The variable that is manipulated to observe its effect on the dependent variable.
ExplanationVariable changed by researcher to observe effects.
#4
What is the placebo effect?
The psychological or physiological improvement observed in participants, which results from their expectations of the treatment rather than the treatment itself.
ExplanationImprovement due to expectation, not treatment.
#5
In experimental research, what is the purpose of control groups?
To serve as a standard for comparison against the group that receives the experimental treatment.
ExplanationGroup used for comparison to experimental group.
#6
What is the main advantage of a longitudinal study?
It can reveal development trends and changes over time.
ExplanationShows changes in behavior or characteristics over an extended period.
#7
Which of the following is a primary characteristic of a double-blind experiment?
Both the researchers and participants are unaware of who receives the treatment.
ExplanationNeither participants nor researchers know who gets the treatment to prevent bias.
#8
What does the term 'operational definition' refer to in psychological research?
A clearly defined, observable event that indicates the application of the concept.
ExplanationClearly defining and measuring a concept for research purposes.
#9
In the context of psychological research, what is the primary purpose of random assignment?
To ensure that each participant has an equal chance of being assigned to any group.
ExplanationAssigning participants to groups randomly to avoid bias.
#10
Which of the following best defines a case study in psychological research?
An observational technique where one person is studied in depth in the hope of revealing universal principles.
ExplanationIn-depth study of an individual to understand broader principles.
#11
Which statistical method is most commonly used to determine if there are significant differences between the means of two groups?
T-test
ExplanationAssesses if means of two groups are significantly different.
#12
What statistical method is used to examine the relationship between more than two variables?
Regression analysis
ExplanationExamines relationships between multiple variables.
#13
Which technique is primarily used in qualitative research to gather deep insights into people's behaviors, motivations, and attitudes?
Focus groups
ExplanationGroup discussions to explore attitudes and behaviors.
#14
In psychology research, what is the primary purpose of using a Likert scale in questionnaires?
To measure the intensity of participants' attitudes or feelings about a specific topic.
ExplanationAssesses attitudes or feelings on a scale.
#15
What is the primary function of inferential statistics in psychological research?
To make judgments that extend beyond the immediate data alone
ExplanationDrawing conclusions from sample data to population.