ASPPB Research Methods & Psychological Foundations — Questions and Answers

Question 1: What is the primary purpose of using a control group in an experiment?

To confuse the subjects.
To manipulate the independent variable.
To observe natural behavior.
To provide a comparison for the experimental group (Correct answer)

Correct answer: To provide a comparison for the experimental group

The primary purpose of using a control group in an experiment is to provide a baseline for comparison against the experimental group. The control group does not receive the experimental treatment or intervention, allowing researchers to isolate the effects of the independent variable. By comparing the outcomes of the experimental group to the control group, researchers can determine if the intervention had a significant impact.

Question 2: Which research method is best suited for establishing cause-and-effect relationships?

Case study
Experiment (Correct answer)
Survey
Naturalistic observation

Correct answer: Experiment

The experimental research method is best suited for establishing cause-and-effect relationships because it allows researchers to manipulate an independent variable while controlling for other factors. By randomly assigning participants to experimental and control groups and systematically varying the independent variable, researchers can confidently infer that any observed differences in the dependent variable are due to the manipulation.

Question 3: What does a negative correlation indicate?

Both variables increase together.
The variables are unrelated.
As one increases, the other decreases (Correct answer)
There is a perfect positive relationship.

Correct answer: As one increases, the other decreases

A negative correlation indicates an inverse relationship between two variables. This means that as the value of one variable increases, the value of the other variable tends to decrease. For example, a negative correlation might exist between the amount of sleep a person gets and their level of irritability, where more sleep is associated with less irritability.

Question 4: What is the dependent variable in an experiment?

The variable that is manipulated.
The control group.
The variable that is measured (Correct answer)
The placebo effect.

Correct answer: The variable that is measured

In an experiment, the dependent variable is the outcome that is observed and measured by the researcher. It is the variable that is expected to change in response to the manipulation of the independent variable. Researchers analyze the dependent variable to determine the effect of their experimental intervention.

Question 5: Which of the following is a key ethical principle in psychological research?

Deception at all costs.
Informed consent (Correct answer)
Avoiding replication.
Biasing the sample.

Correct answer: Informed consent

Informed consent is a fundamental ethical principle in psychological research, ensuring participants understand the study's nature, risks, and benefits before agreeing to participate. It respects their autonomy and right to make an educated decision about their involvement. This principle helps protect participants from harm and ensures ethical conduct.

Question 6: Which school of thought focused on the structure of the mind through introspection?

Functionalism
Structuralism (Correct answer)
Behaviorism
Gestalt psychology

Correct answer: Structuralism

Structuralism, pioneered by Wilhelm Wundt and Edward Titchener, was the first school of thought in psychology. It aimed to break down mental processes into their most basic components, much like chemists break down elements. This was primarily achieved through introspection, where trained subjects reported their conscious experiences.

Question 7: Which perspective in psychology emphasizes observable behavior and learning?

Cognitive psychology
Psychoanalysis
Behaviorism (Correct answer)
Humanistic psychology

Correct answer: Behaviorism

Behaviorism, a prominent school of thought, emphasizes the study of observable behaviors rather than internal mental states. Proponents like B.F. Skinner and John B. Watson believed that all behaviors are learned through interaction with the environment. This perspective focuses on how stimuli and reinforcement shape actions.

Question 8: What is operational definition in research?

A definition found in a dictionary.
A vague concept of the variable.
A subjective interpretation of the data.
A specific description of how a variable is measured (Correct answer)

Correct answer: A specific description of how a variable is measured

An operational definition provides a clear, concise, and measurable description of a variable for the purpose of a specific study. It specifies the exact procedures, instruments, or criteria used to observe and quantify the variable. This ensures that the variable can be consistently measured and replicated by other researchers, enhancing the study's objectivity.

Question 9: Why is random assignment important in experiments?

To manipulate results intentionally.
To ensure experimenter bias.
To increase external validity.
To reduce selection bias and increase validity (Correct answer)

Correct answer: To reduce selection bias and increase validity

Random assignment is crucial in experiments because it ensures that each participant has an equal chance of being placed in any experimental group. This process helps to distribute any pre-existing differences or confounding variables evenly across groups. By minimizing selection bias, random assignment increases the internal validity of the study, making it more likely that observed effects are due to the independent variable.

ASPPB Research Methods & Psychological Foundations

What is the primary purpose of using a control group in an experiment?

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