Exam 2: B: Reading and Evaluating Scientific Research

If you are interested in examining the relationship between the number of class days missed and one's subsequent semester grade point average,you would be best served to use a(n)________ to study this relationship.

In order to make objective measurements,psychologists generally measure ___________.

The variable that an experimenter assesses or measures is called the _______________.

__________ is consistency of measurement.

Two variables are said to have a correlation when scores on one variable

One hopes that the amount of time a student spends studying would show a(n)__________ correlation with the student's grades.

When people report feeling better after taking medication even though it hasn't had time to be effective,they are experiencing _________________.

The degree to which one set of results can be applied to other situations,individuals,or events is called __________.

The purpose of operational definitions in science is to

Dr.Johansen randomly assigned subjects to three different groups during her last experiment.She then proceeded to give all the participants in the experiment a new study technique designed to enhance their learning for the upcoming test.What critical error did she make during her experiment?

Which of the following correlations represents the weakest degree of relation between two variables?

Dr.Kwan hypothesizes that allowing factory employees to listen to music while working will improve productivity.After conducting the experiment,Dr.Kwan finds that the group of participants who were allowed to listen to music was more productive than the group who did not,but this difference was not statistically significant.What should Dr.Kwan conclude about the difference between the two groups?

Kendra serves on a committee whose job is to review proposed psychology studies.The committee refuses to approve one study because it feels the possible benefit from the research is too little given the potential risk to the participants.Kendra's committee is most accurately called an _________________.

Ryan,a professional bass fisherman,is trying to determine which lure is most effective on Wakeby Lake: the plastic worm he normally uses or the new minnow-style lure he bought yesterday.Based on this scenario,what would constitute the control?

Sarah,a graduate student in psychology,just heard about a five-year-old child who has already learned calculus.She is thinking about conducting an in-depth study of the child for her dissertation.Sarah is considering which research method?

The term demand characteristics refers to

What effect does the planned use of deception have on the approval of a study?

Why is it difficult to make generalizations based on the results of case study research?

Eila is participating in a psychological experiment for one of the graduate students at her university.She is pretty confident that she knows the true intent of the study and is trying to answer the questions accordingly.A common pitfall in experiments,Eila is falling prey to ______________.

Correlational research designs are NOT appropriate for purposes of _______________.