AP Psychology Unit 1 Test

2, 11, 2, 3, 3, 4, 2, 5 What is the mode of the number set above?

2

12, 3, 3, 4, 8 What is the mean of the set of numbers above?

6

Which of the following studies is from an evolutionary perspective?

A study to see if women were more attracted to men who liked children than men who did not like children

What is the best way to ensure that results of a study are generalizable to a population?

By using a random selection of people in that population

Dr. Patel is conducting a study to test a hair-growth shampoo she is developing. She instructs fifty participants to use the hair-growth shampoo once daily for a month and another fifty to use a regular shampoo once a day for a month. Dr. Patel measures the participants' hair length at the beginning and the end of the thirty days. Which of the following is the dependent variable?

Change in hair length

Which of the following is a term for a variable that researchers do not control and that can affect the results of a study?

Confounding variable

Which of the following scenarios is regulated by federal law?

Dr. Mast, a psychologist, has a client, Tim, who threatens to seriously harm his brother, Carl. Tim has a history of serious violence and the means to carry out the threat; therefore, Dr. Mast must inform Carl.

There is a strong positive correlation between ice cream sales and instances of snakebites. Which of the following is the most likely explanation for this correlation?

Hot weather is related to both ice cream sales and snake activity

In their discussions of the process of development, the advocates of nature in the nature-nurture controversy emphasize which of the following?

Maturation

The notion that human behavior is greatly influenced by unconscious thoughts and desires is most consistent with which of the following psychological approaches?

Psychodynamic

A psychologist gives the same test to a class of students at the beginning of the day and again at the end of the school day. The extent to which test scores are similar across the two administrations demonstrates which of the following test properties?

Reliability

Which of the following best describes the response of members of the American Psychological Association to ethical issues in research?

They have developed codes of ethics for research with both human participants and animal subjects.

Of the following, a behavioral psychologist is most likely to study the

defense mechanisms used by depressed adults and children in stressful situations

Dr. Larson was interested in whether classical music helps students perform better on a test. Dr. Larson randomly assigned half of the study's participants to a group that listened to classical music while taking a test. The other half of the participants did not listen to music while taking a test. The research design Dr. Larson used is

an experiment

The debate over whether development occurs gradually, without discernible shifts, or through a series of distinct stages is termed

continuity vs. discontinuity

A researcher uses debriefing when he

explains the true purpose of a study immediately after the study is complete

The most important reason to use operational definitions in psychological research is it

helps everyone involved with the research understand and collect data in the same manner.

Jane Goodall lived among wild chimpanzees intermittently for decades, studying their social and family systems while keeping her interaction with the chimpanzees to a minimum. Her research method can most accurately be described as

naturalistic observation

In order to yield information that is generalizable to the population from which it was drawn, a sample must be

representative of the population

The correlation between two measures obtained on a group of individuals is graphically represented as a

scatterplot

Cognitive psychologists are most likely to study

the acquisition of knowledge, planning, and problem solving

The generalizability of a study increases when

the sample is more representative of the population

Professor Ahad has forty-three students in section one of the psychology classes she teaches and fifty-two students in section two. Section one meets at eight a.m. and, section two meets at one p.m. Professor Ahad gives all of her students the same final exam, and those in section two score significantly higher than those in section one. Professor Ahad concludes that her section one students are academically inferior to students in section two. The biggest problem with Professor Ahad's conclusion is that

time of day is a confounding variable in this scenario