Exam 2: Research Methods in Io Psychology

Split-half reliability, inter-item reliability, Cronbach's coefficient alpha, and the Kuder-Richardson 20 are all measures of:

Quasi-experiments tend to have lower _____ than regular experiments.

Claudette writes a tentative statement about the relationship between two variables based on a theory she has read. The research stage Claudette is MOST LIKELY engaged in when she does this is:

_____ involves providing research participants with information about the purpose of the study, their right to decline participation, the potential risks and benefits to participants, and where to direct questions about the research.

Which of these is a stipulation of the APA ethical code for conducting research?

Dr. Le believes that humans behave in orderly ways, and it is possible to detect this orderliness . Dr. Le appears to believe in an assumption of science known as:

Assume that a .80 correlation exists between class attendance and class grades. Graph this correlation, putting class grades on the y-axis and class attendance on the x-axis. Also, compute the coefficient of determination for this relationship.

When considering whether to begin scientific research with data or with theory, it is important to know that the approach taken by most distinguished scientists is one that:

If a practitioner gives a math test to a group of participants at two points in time, and finds that the high scorers on the first test are also the high scorers on the second test, the test has demonstrated:

One would expect that someone who has a high SAT score will also earn a high GPA in college. In this case, one would expect a _____ between SAT scores and GPA.

In the data set 3 5 5 6 7 8 8 9 10 10 10 15 17 20 20, which number represents the median of the distribution?

Midna is conducting a study examining the relationship between absenteeism and coworker relationships. She's not interested in whether one variable causes the other; she just wants to learn whether they are related. The best design for Midna to use to answer this question is a(n):

Rani obtains a Cronbach's alpha of .20. Rani's measure has:

Which of these is a primary characteristic of quasi-experiments?

Which of these is the key characteristic of science?

Laboratory experiments are typically:

Test-retest reliability is often called a:

Describe two prominent ways researchers can assess the reliability of a scale.

Beatrice has created a test to measure high school students' math ability. However, she includes only questions on addition and subtraction, even though most high school students also know other procedures (such as division and multiplication). Because her test does not measure everything that should be considered as part of math ability in this group, her test has low:

In a normal distribution, 99% of observations fall within: