Exam 9: Conducting Experiments

In order to analyze the effects of a new drug for anxiety developed by Solvit Wellness Inc., the researchers conduct a study on two groups. Both groups are informed about the usefulness of the drug in treating anxiety. However, only group A receives an injection of the actual drug, while group B receives an injection containing an inert substance. In this case, what is group B known as?

Why do experiments conducted in field settings use unobtrusive measures?

Which of the following offers a solution to the problem of experimenter bias?

Any feature of an experiment that might inform participants of the purpose of the study is called a(n) _____.

Electromyogram and electroencephalogram are examples of _____ measures.

Presenting participants with different versions of a videotaped confession in order to study a person's perception is an example of a(n) _____ manipulation.

In a shopping mall, a marketing researcher asks a customer if he or she would prefer soda in a bottle or soda in a can. The customer's response would be an example of a _____ measure.

During the debriefing session of an experiment, the participants are _____.

Ralph has a confederate cut in front of a person who is second or ninth in line at a grocery store checkout counter. He then records the number of verbal responses toward the confederate as a measure of aggression. The manipulation employed in this study is an example of a _____ manipulation.

What is a similarity between demand characteristics and experimenter expectancy?

Which of the following is true of statistical analysis of data?

A researcher wants to examine the effect of noise level on reading comprehension. He finds that regardless of the noise level, all participants tested received the maximum scores for their performance. The results may be due to _____ effect.

Which of the following is least likely to be considered when determining how to manipulate an independent variable?

In order to study the human behavioral patterns during crisis situations, Clara first conducts a trial run with a small number of participants. She does so to make sure that the instructions are clear to the participants and the whole experimental setting is plausible. This procedure is an example of a _____.

The manipulation check is advantageous if _____.

Why do experimenters generally do not wish to inform participants about the specific hypotheses being studied?

In the context of physiological measures, the galvanic skin response is used as a measure of:

Michelle conducts an experiment on the effect of low and high anxiety on test performance. The results achieved are nonsignificant. She does not know if anxiety truly has no effect on performance or whether she had conducted faulty procedures. How could this ambiguity be avoided?

Katherine is a researcher who is interested in examining the effect of caffeine on driving performance. In order to rule out a change in behavior brought about because of participants' expectations about the effect of caffeine, she should use a(n) _____.

A researcher who measures the speed of helping to a request is using a _____ measure.