Exam 2: The Research Enterprise in Psychology

In experiments,placing subjects in experimental groups such that each subject has an equal probability of ending up in any experimental group is referred to as

A sample is representative if

As an adult ages,his/her physical strength declines.The relationship between age and physical strength is a(n)

The tendency for participants to participate in survey research appears to have

Of the following,the correlation coefficient that indicates the weakest relationship between the two variables being measured is

The ____________________ is a measure of the amount of variability in a set of data.

The scientific approach requires that people specify exactly what they are talking about when they formulate hypotheses.Which advantage of scientific investigation does this illustrate?

Individuals who think critically do not rely on anecdotal evidence because this type of evidence

Explain why "a correlation does not prove causation."

The correct sequencing of the sections of the main body of a journal article would be

Statistics that are used to summarize and organize data are called

Which of the following is NOT a criticism of using animals in psychological research?

If we were to measure the height and weight of 100 adult women,we would find that these two measures are

The two basic types of statistics are

Which of the following statements is MOST accurate?

A correlational research study was conducted that found that adults who ate oatmeal as children were four times more likely to develop cancer than those who did not.Can the authors of this correlational study conclude that oatmeal causes cancer? Why or why not?

As correlation coefficients ____,the ability to predict one variable based on knowledge of the second variable increases.

What is the mode of the following data? 2,3,3,3,5,5,7,12

Which of the following is NOT included in the ethical guidelines for human participants in psychological research?

PsychINFO is a computerized database that contains abstracts,or brief summaries of psychological research studies published in journals and books.