Exam 2: Psychologys Scientific Method

Participants in a study are divided into two groups, with one group receiving an experimental medication and the second group receiving a pill that looks like the experimental medication but does not actually contain medication. The group receiving the experimental medication is called the ________ group.

Which of the following best represents an operational definition?

Kevin has just completed his first day of naturalistic observation at the local high school, and he is concerned about the effects his presence in the classrooms is having on adolescent behavior. This is an important issue since, in truly naturalistic research, researchers cannot

The standard deviation is a critical statistic in correlational research.

You design a research study to investigate if there is a relationship between two variables. You measure each of them without manipulating either one. If you find that Variable A is increasing at about the same rate as Variable B is increasing, what can you conclude?

The "third variable problem" refers to a

We can predict participants' scores on Variable A with perfect accuracy by knowing their scores on Variable B. Higher scores on Variable A are associated with lower scores on Variable B. What is the correlation coefficient for the correlation between Variables A and B?

Researchers who use ________ attempt to view behavior without disturbing the environment.

In a double-blind experiment,

Five students had the following scores on a psychological test: 10, 10, 15, 25, and 40. The mean of these five scores is

Ashton wants to study butterflies using the scientific method. Which of these represents a step or steps in the scientific method?

Which of the following is an example of research using the survey method?

According to your text, what is one reason why reality TV shows do not meet ethical standards for psychological research?

Experimental research must include an independent variable and a dependent variable.

Data refers to all the information a researcher collects when carrying out a study.

The experimental group receives the active condition of the independent variable.

Define the term "external validity" and then determine the research technique that provides the highest degree of external validity. Provide a rationale for your choice.

Dr. Schwartzmiller believes that herbal medicines significantly reduce the number of depressive symptoms in women. She wants to use experimental methods to test her hypothesis. What components of a well-designed experiment should be included in this study?

Five students had the following scores on a psychological test: 10, 10, 15, 20, and 40. The mode of these five scores is

Inmates at a prison take part in an experiment and then the prison guard goes home and says to his wife, "James Patterson, one of the participants, did not perform well." Which ethical principle was violated?