Exam 3: The Research Enterprise in Psychology Part 1

In experimental research, while subjects in the ____ group received some special treatment in regard to the independent variable, subjects in the ____ group did not.

Which of the following is NOT a measure of central tendency?

A researcher is measuring the heart rate of subjects as an index of anxiety. In this study, heart rate is

Helen conducted a study in which she measured the response time for males and females to complete a spatial task. She found that the mean response time was 1.48 minutes for males and 1.63 minutes for females. For Helen to be confident that an actual difference exists between the males and females in her study, she must

The information on getting more out of lectures presented in the Personal Application section in Chapter 1 suggests that absences from classes and grade average in the class are correlated. The best conclusion that can be drawn from this information is that

Which of the following techniques is most likely to prove useful in determining why one particular child is afraid to go to school?

When the scores for a recent Chemistry exam were calculated, the mean was 60 and the median was 65. Later the professor discovered that one score had been recorded incorrectly; it had been entered into the computer as a 5, instead of as a 50. When this correction is made,

Which of the following correlation coefficients indicates the strongest relationship between two variables?

When a scientist attempts to explain why "something happened," his work is MOST closely associated with which goal of science?

The two main advantages of the scientific approach are science's

Researchers who were studying memory had participants learn a list of words after consuming a soft drink with caffeine or a decaffeinated version of the same soft drink. The researchers then counted the number of words that were recalled from the list. In this study, the type of beverage (caffeinated or decaffeinated) would be

A number of techniques such as interviews, direct observations, and psychological testing may be used when a researcher is conducting

Operational definitions are most closely associated with which major advantage of the scientific approach?

NASA wanted to know if extended periods of weightlessness would have an impact on long-term circulatory function. The agency located seven former astronauts who had spent more than one month in space under conditions of weightlessness, and tested all aspects of their cardiovascular function. NASA's research with these seven astronauts would be considered to be

Naturalistic observation, case studies, and surveys all have in common that

In experimental research, subjects in the experimental group

The experimental group

Researchers studying the effects of sleep deprivation tested the physical coordination skills of 25-year-old males who had been sleep deprived for either 24, 36, or 48 hours. In this study, the dependent variable would be

A researcher is interested in examining whether relaxation techniques help decrease the perception of anxiety in subjects. The second step in this scientific investigation would be

A psychologist monitors changes in the subject's heart rate as the subject watches a violent movie. The data collection technique being used is