Question 1

Which of the following best describes the function of the thalamus in the brain?

Accepted Answer

It relays sensory information to the appropriate areas of the cortex.

Question 2

A psychologist is conducting an experiment to test the effect of sleep deprivation on memory recall. What is the independent variable in this study?

Accepted Answer

The amount of sleep participants receive.

Question 3

Which of the following is a characteristic of a double-blind study?

Accepted Answer

Both the participants and the researchers are unaware of which treatment is being administered.

Question 4

Which equation correctly represents the calculation of the mean for a set of scores $$x_1$$, $$x_2$$, ..., x_n$$?

Accepted Answer

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

Question 5

Which of the following best illustrates the concept of random assignment in experimental research?

Accepted Answer

Using a random process to allocate participants to experimental or control groups.

Question 6

A researcher finds a correlation coefficient of $$r = +0.95$$ between hours studied and exam scores. What does this indicate?

Accepted Answer

There is a very strong positive relationship between hours studied and exam scores.

Question 7

Which neurotransmitter is primarily associated with movement and reward, and is implicated in Parkinson’s disease?

Accepted Answer

Dopamine

Question 8

Which school of psychology focused on breaking down mental processes into their most basic components?

Accepted Answer

Structuralism

Question 9

Which of the following is an example of a confounding variable in an experiment testing the effect of caffeine on reaction time?

Accepted Answer

Participants' prior sleep quality before the experiment.

Question 10

Which of the following best describes the process of neurotransmitter reuptake?

Accepted Answer

Neurotransmitters are absorbed back into the presynaptic neuron.

Question 11

Which of the following is a key principle of Gestalt psychology?

Accepted Answer

The whole is greater than the sum of its parts.

Question 12

A psychologist wants to study the effect of music on concentration. She measures the number of mistakes made during a task while listening to music. What type of measure is this?

Accepted Answer

Behavioral measure

Question 13

Which of the following best describes the function of the hippocampus?

Accepted Answer

Forming new memories.

Question 14

Which of the following is an example of a dependent variable in a study examining the effect of exercise on mood?

Accepted Answer

The mood rating reported by participants after exercising.

Question 15

Which of the following best describes the concept of operational definition?

Accepted Answer

A statement that describes the procedures or operations used to measure a variable.

Question 16

Which of the following is a limitation of case study research?

Accepted Answer

It cannot establish cause and effect relationships.

Question 17

Which equation represents the calculation of a correlation coefficient $$r$$ between two variables $$x$$ and $$y$$?

Accepted Answer

$$r = \frac{\sum (x_i - \bar{x})(y_i - \bar{y})}{\sqrt{\sum (x_i - \bar{x})^2$ \sum (y_i - \bar{y})^2$}}$$

Question 18

Which of the following best describes the concept of naturalistic observation?

Accepted Answer

Observing behavior in its natural environment without interference.

Question 19

Which of the following is a function of the basal ganglia?

Accepted Answer

Controlling movement and reward processing.

Question 20

Which of the following best describes the concept of the Hawthorne Effect?

Accepted Answer

Behavior changes when individuals are observed.

Psychology I – Complete Master Review: Core Concepts, Methods, and Approaches

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