The dependent measure bits is a measure of
a. information.
b. stimulus intensity.
c. stimulus duration.
d. the time required by a processing stage.
Which of these designs comes closest to being a true experiment?
a. a time-series design
b. a pretest-posttest design
c. a differential design
d. a pretest-only nonequivalent control group design
Robin works for a company that is genuinely interested in improving employee satisfaction. The company has contracted with a well-known survey organization to determine what employees like, what they dislike, and what they would like to see in the future. Division by division, the employees meet off-site and complete a survey instrument. This is best described as a(n) ____.
a. point-of-experience survey
b. group-administered questionnaire
c. drop-off survey
d. dual-media survey
_______ is commonly used as a dependent variable in an experiment examining attention.
a. Reaction time
b. Heart rate
c. Pupil diameter
d. Trained introspection
A series of observations before treatment allows a researcher to determine whether ____.
a. the treatment has a temporary effect
b. the treatment has a permanent effect
c. scores are influenced by assignment bias
d. scores are influenced by some factor unrelated to the treatment
After an exhausting day, Suzanne has just finally selected her bridal gown and the gowns for her attendants. After she makes her choices and while she is waiting for the purchase agreement to be printed off, she is asked to take a few moments to complete a survey about the process. This is best described as a(n) ____.
a. point-of-experience survey
b. group-administered questionnaire
c. drop-off survey
d. dual-media survey
When using the subtractive method, experimental manipulations are used to
a. alter the quality of stages involved in a task.
b. alter the duration of stages.
c. alter the error rates.
d. add or delete stages.
Last year, the state increased the speed limit on one section of highway from 55 to 65 mph. To evaluate the effect of the change, a researcher gathered accident reports for six months before the change and for six months after the change. This is an example of a(n) ____.
a. time-series design
b. interrupted time-series design
c. cross-sectional design
d. longitudinal design
Lamont works for a community substance abuse prevention group and is conducting a survey to see what the parents and guardians of pre-teens and teens know about local services. The group recognizes that a personal touch is needed but also has limited personnel and facilities for survey activities. As a result, a(n) ____ is probably the best choice for methodology.
a. personal interview
b. phone interview
c. group questionnaire
d. drop-off survey
The following reaction times were obtained for one participant: Donders A (simple) reaction task = 200 msec Donders B (choice) reaction task = 350 msec Donders C reaction task = 400 msec Based on these reaction times, using Donders' subtractive method for estimating the time required for mental operations, how long would you estimate the identification process tasks?
a. 50 msec
b. 200 msec
c. 150 msec
d. Using Donders' method, the identification time cannot be computed from these data.
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