Exam 2: Psychology Research

Evelyn,a psychology graduate,watches parent-child interactions in a park.She simply records what she sees and does not make a change in the situation.The method she uses is known as _____.

Brooke is engaged in naturalistic observation.In which of the following projects is she most likely engaged?

Which of the following is the final step in the scientific method?

Doctors Chase and Sanborn are conducting an experiment on the effects of caffeine on memory.Participants are randomly assigned to a caffeine or a no-caffeine group; their recall of items on a word list is later assessed.Which pair correctly identifies a variable in this experiment?

In which of the following procedures are participants assigned to different experimental groups on the basis of chance and chance alone?

A pharmaceutical company has developed a new ADHD medication and wishes to test its effectiveness.Identify the threats that validity researchers might face in an experimental test of the medication's efficacy and suggest how these threats may be overcome.

Dr.Ingram deliberately varied the imageability of items on a list and later measured participants' recall of the items.Dr.Ingram conducted a(n)_____ research.

Regarding operational definitions,which of the following statements is most accurate?

The people taking part in an experiment are referred to as _____.

According to Bibb Latane and John Darley's theory of _____,the greater the number of bystanders or witnesses to an event that calls for helping behavior,the more the responsibility for helping is perceived to be shared by all the bystanders.

Prediction is to explanation what _____ is to _____.

Alyssa predicts that caffeine will improve her participants' performance on a visual tracking task.Alyssa has formed a(n)_____.

Which of the following descriptive research methods is incorrectly matched with an advantage?

Wallace is engaged in archival research.In which of the following projects is he most likely engaged?

In an experiment,the independent variable is:

Dr.O'Malley is informing participants before he begins the experiment that their participation is completely voluntary and that they can stop taking part at any time.Dr.Hensley is providing a detailed explanation of the study to participants who have just completed participating in the study.Which of the following statements is true?

In Dr.Suarez's social psychology lab,some college students taking part in the research suspect that interpersonal attraction processes are under study.This knowledge influences the way they interact with each other.In a play session during a child development study,Dr.Thomas' research assistants are more likely to unconsciously reinforce aggressive behavior among children who view a violent video clip than among children viewing a nonviolent clip.Dr.Suarez's research is susceptible to _____ expectations.Dr.Thomas' work is prone to _____.

Distinguish between a hypothesis and a theory.Provide an example of a hypothesis,along with operational definitions of the variables included in your hypothesis.

A team of researchers conduct an experiment to test the effectiveness of a new drug in treating anxiety disorders.The participants in the control group receive sugar pills without active ingredients,while those in the experimental group receive the new,anti-anxiety drug.In this example,the researchers use a:

Which of the following is an advantage of survey research?