a double blind control is essential for which of the following?

A person displays a set of rare behaviors that psychologists had not known about previously, because nobody had ever shown them before. The best strategy to investigate the nature of those behaviors is

A person will most likely develop aphasia as a result of damage to which of the following parts of the brain?

A person with damage to Broca's area would most likely demonstrate which of the following symptoms?

A test has a mean of 80 with a standard deviation of 4. Which of the following scores is within one standard deviation of the mean?

Activation of the parasympathetic nervous system results in which of the following?

In terms of the effect on the central nervous system, alcohol is most accurately classified as which of the following types of drug?

When people consume large amounts of alcohol, they are often unable to recall what they did and said while they were drinking. This occurs because alcohol interferes with the brain’s ability to form new memories in the

During the night, Alicia stops breathing repeatedly, frequently gasps for air, and snores loudly at regular intervals. Alicia is most likely suffering from which of the following conditions?

All of the following are American Psychological Association ethical guidelines for researchers EXCEPT:

Ethical principles developed by the American Psychological Association help ensure that human participants in psychological research

the area of the brain stem that is important in controlling breathing is the

Ethical principles developed by the American Psychological Association help ensure that human participants in psychological research

Ben was enjoying a walk in the woods on a beautiful Saturday afternoon. As he went around a curve, he noticed a bear walking toward him. Immediately his pupils dilated, he began to perspire, and his heart accelerated. These changes are most closely related to the function of the

The biological clock that operates in human beings to adjust their functioning to night-and-day periodicity is referred to as

Significant damage to which of the following parts of the brain will most likely cause a person to fall into a deep coma from which the person will be unable to awaken?

Brain damage that leaves a person capable of understanding speech but with an impaired ability to produce speech most likely indicates injury to which of the following?

the brain scans of people with amnesia are most likely to show damage to the

Caffeine and nicotine are in the same class as which of the following drugs?

A researcher randomly assigned boys and girls to each of two groups. One group watched a violent television program while the other group watched a nonviolent program. The children were then observed during a period of free play, and the incidence of aggressive behavior was recorded for each group.

This research method is best characterized as

A researcher randomly assigned boys and girls to each of two groups. One group watched a violent television program while the other group watched a nonviolent program. The children were then observed during a period of free play, and the incidence of aggressive behavior was recorded for each group.

What is the independent variable in this study?

A survey shows that children who have encyclopedias in their homes earn better grades in school than children whose homes lack encyclopedias. The researcher concludes that having encyclopedias at home improves grades. This conclusion is erroneous primarily because the researcher has incorrectly

In studying the behavior of five year olds in freeplay situations, a cognitive psychologist would be most interested in the children’s

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

Curare blocks action at acetylcholine synapses and causes paralysis. This drug is an example of an

An individual who drinks alcohol daily finds it necessary to drink increasing amounts to achieve the state of well-being attained in the past. This individual is showing

Damage to a small part of the occipital lobe would most likely result in a

Damage to the cerebellum would most likely result in which of the following problems?

An individual with damage to Wernicke’s area is most likely to have difficulty

A researcher uses debriefing when he

The depletion of which of the following neurotransmitters is most closely associated with the symptoms of Alzheimer’s disease?

Dopamine, norepinephrine, and acetylcholine are all

A participant in a study of music perception listens to music with electrodes attached to her scalp while data are collected on the activity of her brain. This technique is called

In an experiment to test the effects of hunger on aggressive behavior, aggressive behavior would be the

experimental research differs from correlational research in that experimental research

the area x is which of the following structures?

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

Sigmund Freud believed that dream analysis was a useful device for

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

In psychology, Gestalt principles are used to explain

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

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?

Marjorie’s little brother tends to bother her when he is bored. Marjorie wants to figure out which toy will keep her brother occupied the longest so he will not bother her. She conducts a study where each day at 6P.M. for a week she gives her brother a different toy and on one of the days she gives him no toys to play with. She measures the amount of time he spends playing with each toy before he comes to bother her. Which of the following is the independent variable in this example?

Immediately after firing, a neuron is incapable of responding to stimulation. This condition is referred to as

In experimental psychology, a significant difference refers to a

the generalizability of a study increases when

The results of a correlational study involving student volunteers in a psychology laboratory might not apply to the general population because

What field of psychology is most appropriate to analyze the efficiency of businesses in their hiring, basic training, and management leadership skills training?

which of the following areas of the body has the largest number of sensory neurons?