Question 1

Which of the following best describes Wilhelm Wundt's primary contribution to the field of psychology?

Accepted Answer

He developed the method of objective introspection, emphasizing the measurement of one's own thoughts and mental activities.

Question 2

A psychologist is conducting a study to determine whether a new teaching method improves student performance. She randomly assigns students to either the new method or the traditional method. What is the independent variable in this experiment?

Accepted Answer

The type of teaching method used (new or traditional).

Question 3

Which of the following scenarios best illustrates the observer effect in naturalistic observation?

Accepted Answer

Children behave more politely when they notice a researcher watching them on the playground.

Question 4

Which of the following is a key limitation of case studies in psychological research?

Accepted Answer

Findings from a single individual may not generalize to others.

Question 5

A correlation coefficient of $$ r = -0.85 $$ between hours spent watching TV and exam scores suggests:

Accepted Answer

As hours spent watching TV increase, exam scores tend to decrease.

Question 6

Which of the following best distinguishes a psychologist from a psychiatrist?

Accepted Answer

A psychiatrist is a medical doctor who can prescribe medication, while a psychologist typically cannot.

Question 7

Which modern psychological perspective is most concerned with how people think, remember, store, and use information?

Accepted Answer

Cognitive perspective

Question 8

A researcher wants to ensure that neither the participants nor the experimenters know who is receiving the treatment in a drug trial. What type of study design is this?

Accepted Answer

Double-blind study

Question 9

Which of the following is NOT one of the four basic criteria for critical thinking?

Accepted Answer

Assuming all claims made by authorities are true.

Question 10

In the context of the scientific approach, what is the primary purpose of replication?

Accepted Answer

To demonstrate the reliability of research findings by repeating the study.

Question 11

Which of the following best illustrates the concept of operant conditioning as introduced by B.F. Skinner?

Accepted Answer

A student receives praise for completing homework, increasing the likelihood of doing homework in the future.

Question 12

A researcher is interested in the effects of sleep deprivation on memory. She operationalizes 'sleep deprivation' as 'fewer than 5 hours of sleep in 24 hours.' What is the purpose of operationalization in this context?

Accepted Answer

To provide a specific, measurable definition of a variable.

Question 13

Which of the following is a key ethical guideline for research with human participants?

Accepted Answer

Participants must be allowed to withdraw from the study at any time.

Question 14

Which of the following best describes the main focus of the evolutionary perspective in psychology?

Accepted Answer

It examines the biological bases of universal mental characteristics that all humans share.

Question 15

A survey is conducted to assess attitudes toward climate change. To ensure the results are generalizable, the researcher should:

Accepted Answer

Use a representative sample randomly selected from the population.

Question 16

Which of the following is an example of the placebo effect?

Accepted Answer

A participant reports reduced pain after receiving a sugar pill, believing it to be real medication.

Question 17

Which of the following best describes the main difference between basic and applied research in psychology?

Accepted Answer

Basic research seeks to add to scientific knowledge, while applied research aims to solve real-world problems.

Question 18

A psychologist is interested in how cultural values influence parenting styles. Which modern perspective is she most likely using?

Accepted Answer

Sociocultural perspective

Question 19

Which of the following is a potential disadvantage of laboratory observation?

Accepted Answer

The artificial setting may lead to artificial behavior.

Question 20

A news article claims that eating chocolate causes higher intelligence, citing a single study. According to critical thinking strategies, which question should you ask first?

Accepted Answer

How strong is the evidence, and have multiple studies supported this claim?

Chapter 1: The Science of Psychology – Foundations, Methods, and Ethics

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