Question 1

Which of the following best defines psychology as a scientific discipline?

Accepted Answer

The study of the mind and behavior using empirical evidence and scientific methods.

Question 2

Which of the following is a key difference between psychology and pseudoscience?

Accepted Answer

Psychology relies on empirical evidence, while pseudoscience does not.

Question 3

Which early psychologist is credited with establishing the first psychological laboratory and developing the technique of trained introspection?

Accepted Answer

Wilhelm Wundt

Question 4

A researcher wants to study the effect of sleep on memory. In this experiment, what is the independent variable?

Accepted Answer

The number of hours of sleep participants get each night

Question 5

Which of the following best illustrates the biological perspective in psychology?

Accepted Answer

Studying how neurotransmitter imbalances affect mood disorders

Question 6

A psychologist is interested in how social and cultural factors influence behavior. Which major perspective is she using?

Accepted Answer

Sociocultural perspective

Question 7

Which of the following is an essential step in critical thinking, according to the study materials?

Accepted Answer

Define your terms clearly and precisely

Question 8

A researcher uses a survey to collect data about people's attitudes toward climate change. Which of the following is a potential limitation of this method?

Accepted Answer

Participants may not answer honestly, leading to inaccurate data.

Question 9

Which of the following statements about correlation is correct?

Accepted Answer

Correlation does not imply causation.

Question 10

In an experiment, what is the purpose of random assignment?

Accepted Answer

To ensure that each participant has an equal chance of being placed in any group, reducing bias.

Question 11

A psychological test is considered reliable if:

Accepted Answer

It produces consistent results over time and across situations.

Question 12

Which of the following best describes a double-blind study?

Accepted Answer

Neither the participants nor the experimenters know who is in the experimental or control group.

Question 13

A researcher finds a correlation coefficient of $$r = -0.85$$ between hours spent watching TV and grades in school. What does this indicate?

Accepted Answer

As hours spent watching TV increase, grades tend to decrease.

Question 14

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

Accepted Answer

A participant reports feeling better after receiving a sugar pill, believing it was real medication.

Question 15

Which formula would you use to calculate the arithmetic mean of a set of scores $$x_1$$, $$x_2$$, ..., x_n$$?

Accepted Answer

$$ 	ext{Mean} = \frac{\sum_{i=1}^{n} x_i}{n} $$

Question 16

Which of the following is a key ethical requirement for psychological research involving human participants?

Accepted Answer

Obtaining informed consent from all participants.

Question 17

A psychologist wants to generalize her findings to the entire population. Which sampling method should she ideally use?

Accepted Answer

A representative sample

Question 18

Which of the following best describes the main limitation of case studies?

Accepted Answer

They may not be generalizable to the wider population.

Question 19

Which of the following is an example of the cognitive perspective in psychology?

Accepted Answer

Studying how people solve problems and make decisions

Question 20

Which of the following is a reason why transparency and replication are important in scientific research?

Accepted Answer

They allow other scientists to verify and build upon research findings.

Chapter 1: What Is Psychology? — Invitation to Psychology

Study Guide - Practice Questions

Study Guide - Flashcards