Exam 2: The Ways and Means of Psychology

Brandon has discovered that on days that he either doesn't exercise or overdoes his exercising he feels extremely tired in the evening. On days that he does a moderate amount of exercise he feels quite refreshed in the evenings. Which of the following best describes the relationship between Brandon's exercising and how tired he feels?

In psychological research, the term generalization refers to

Dr. Hartwick wants to determine if a group of participants reading under incandescent light will read more pages of text in one hour than a group of participants reading under fluorescent light. She assigns students sitting at the front of the class to be in the "incandescent light"condition and students at the back of the class to be in the "fluorescent light"condition. In this experiment seating location is

A tentative statement about a cause-and-effect relation is called a(n)

Lev has just finished collecting data for his master's thesis. He now wishes to calculate a statistic to determine statistical significance. What is the first thing Lev should to do?

The systematic selection of subjects in research studies to ensure that the mean values of important subject variables are similar across groups is called

One aspect of a good theory is that it generates hypotheses that can be confirmed or disconfirmed by scientific research.

Minor deception may be permitted in research providing there is __________ and __________.

Dr. Hopkins is about to conduct a study in which he will present several different lists of words to subjects to memorize Some lists are long and some are short. Dr. Hopkins plans to present all the short lists before presenting the long lists. Worried that the order in which the lists are presented to subjects may affect the outcome of the study, you advise Dr. Hopkins to

Factory workers who knew they were being monitored as part of an experiment to improve productivity showed increased performance whatever the manipulation of their work environment. This is known as

Which of the following is NOT a participant variable?

If a researcher uses a careful matching procedure in correlational research, why can we still not draw conclusions about cause-and-effect relations between variables?

You wanted to know what the students in your university felt about raising student fees. So you took a representative group from each faculty and gave them a questionnaire. These groups would be called a(n)

Dr. Jones is conducting a study to learn more about the relationship between IQ and success in college. In carrying out this study, Dr. Jones pairs up his subjects according to their performance on a personality test, the income of their parents, and their year in college. The name for the procedure that Dr. Jones is using to control differences among his subjects on these variables is called

What is the median of the following set of numbers? (13, 19, 27, 12, 29, 18, 55)

Of the variables listed below, which of them is the MOST easily manipulated in an experiment?

Descriptive statistics are to __________ as inferential statistics are to __________.

Dr. Gynther is interested in the positive or negative quality of parent-child interactions. He observes the number of times that the child smiles and frowns in response to parental instructions . One problem encountered by Dr. Gynther in this type of research is

Informed consent involves

If two variables are correlated, then changes in one variable will cause changes in the other variable.