Exam 2: The Tools of Psychological Research

The median for a data set is:

No matter how hard the tests Professor Spinoza writes are, the students getting the top five percent of the class on the test are always sure to get an A.Professor Spinoza is using the grading method known as:

Which of the following is part of scientific method?

Dr.Greene was investigating the effects of weightlessness on general psychological functioning.Dr.Greene was able to locate three former astronauts who had experienced at least 10 days of weightlessness in space.These individuals were tested extensively and questioned in detail about their experiences.Dr.Greene's research represents:

Gloria is in a class of 15 students.On the most recent exam, 7 students earned scores lower than Carmen's score, and 7 students scored higher than Carmen did.Based on this information, you can conclude that Carmen's score is:

Jason wants to design a good experiment and be sure there are no uncontrolled variables that change along with the independent variable.In other words, Jason wants to avoid:

State the possible range of a correlation coefficient, and the nature of the relationship between variables at the low and high ends of the range.Why is this relationship important?

Professor Langerman conducted a study which showed that participants were less efficient when they worked in groups, compared to when they worked alone.Professor Langerman has also noticed that compared to individual projects, students are more likely to hand group projects in late.This suggests that the results Professor Langerman obtained in the efficiency study:

In an experiment, researchers use ____________________ in order to ensure that each participant has an equal chance of being assigned to any of the groups or conditions in the experiment.

Confidentiality involves:

A good operational definition of aggression might be:

Random assignment ensures:

A group of researchers wanted to determine whether animals would be slower in learning a maze when they had been exposed to a particular drug.Half the animals received low doses of the drug, and the other half did not receive the drug.The researchers then counted how many times the animals had to run through the maze before they learned it.In this study, the independent variable is:

The primary advantage of experimental research over correlational research is that experiments:

A survey is a research method in which:

Experimental research involves:

The results of experimental research can be verified using:

Sybil is a well known book concerning dissociative identity disorder.As an examination of a single individual, the book represents:

Use an appropriate example to illustrate and explain why correlations cannot normally be used to determine the cause of behavior.

The aspect of the environment that is manipulated or changed by the researcher during the course of an experiment is: