quiz 2 Flashcards
A researcher finds that in a laboratory a meditation session decreases anxiety scores of college students. The researcher wonders whether the meditation session would decrease anxiety in clients diagnosed with an anxiety disorder. This researcher is considering the ____ of the findings.
external validity
internal validity
reliability
accuracy
external validity
A researcher is concerned that experimental results obtained with college students may not apply to adults in the general population. This illustrates a concern with ____ validity.
internal
external
experimental
correlational
external
In which research situation would the study be confounded?
An extraneous variable varies systematically along with the two variables being studied.
Two or more extraneous variables vary systematically together.
An extraneous variable does not vary systematically with the other variables being investigated.
An extraneous variable does not vary systematically with other extraneous variables.
An extraneous variable varies systematically along with the two variables being studied.
A study examining the relationship between humor and memory compares memory performance scores for one group presented with humorous sentences and a second group presented with nonhumorous sentences. The participants presented with the humorous sentences are all males. The participants presented with the nonhumorous sentences are all females. In this study, gender (male/female) is best characterized as a(n) ____ variable.
independent
dependent
extraneous
confounding
confounding
A researcher who is studying methods of decreasing test anxiety decides to measure anxiety in a group of volunteers both before and after an experimental intervention. He finds that anxiety levels are lower after the intervention. However, when reviewing his results, the researcher notes that the first test occurred about a week before midterm exams and the second test occurred two weeks after the exams. This study appears to have a problem with ____.
internal validity
external validity
reliability
accuracy
internal validity
A researcher finds that a particular medication causes rats’ memory to improve. A second researcher plans to test this medication with humans diagnosed with Alzheimer’s disease. The second researcher is addressing the problem of ____.
external validity
internal validity
reliability
accuracy
external validity
If a researcher finds that room color influences mood of the adults in a sample, then the researcher would like to conclude that room color affects the mood of ____.
children as well
any individual
adults in general
adolescents even more
adults in general
The degree to which your research results generalize beyond the specific characteristics of your study refers to ____.
internal validity
external validity
general validity
reliability
external validity
A study is ____ if it produces only one explanation for the results.
internally valid
externally valid
reliable
accurate
internally valid
Any factor that limits the ability to generalize the results of the study is a threat to ____.
internal validity
external validity
reliability
accuracy
external validity
