Psych 311 Exam Quiz 4 Exam Graded
A+
A researcher is conducting a study in which a treatment group is compared to a no-
treatment control group. The treatment group is tested in the lab and the control group
is tested in a classroom. Time is likely to be a threat to the internal validity of the study. -
Answer- False
Selection bias is a threat to external validity. - Answer- True
A researcher moves an experiment out of the laboratory and into the real world. This
type of research is called a ____. - Answer- field study
A study examining the relation 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 in both groups consist
of a mixture of males and females. In this study, gender (male/female) is best
characterized as a(n) ____ variable. - Answer- extraneous
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. - Answer- external validity
Researchers often use simulation experiments in an attempt to obtain the ____ of an
experiment and still keep much of the ____ of research conducted in the real world. -
Answer- internal validity; external validity
A researcher designs a study to determine whether teaching style affects third grader's
motivation to succeed in math. One teacher, with one style, teaches math to one class
of children. Another teacher, with a different style, teaches math to a different class of
children. The researcher finds that the children in the first class are more motivated to
succeed in math. These differences in motivation can be explained by ____. - Answer-
teaching styles and teachers
When participants in one treatment condition have characteristics that are different from
the characteristics of participants in another treatment condition, then ____ may be
threatened. - Answer- internal validity
When research is conducted in a ____, researchers should always be concerned that
participants' behaviors may be influenced by ____. - Answer- laboratory, reactivity
In which research situation would the study be described as confounded? - Answer- An
extraneous variable varies systematically along with the two variables being studied.
A+
A researcher is conducting a study in which a treatment group is compared to a no-
treatment control group. The treatment group is tested in the lab and the control group
is tested in a classroom. Time is likely to be a threat to the internal validity of the study. -
Answer- False
Selection bias is a threat to external validity. - Answer- True
A researcher moves an experiment out of the laboratory and into the real world. This
type of research is called a ____. - Answer- field study
A study examining the relation 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 in both groups consist
of a mixture of males and females. In this study, gender (male/female) is best
characterized as a(n) ____ variable. - Answer- extraneous
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. - Answer- external validity
Researchers often use simulation experiments in an attempt to obtain the ____ of an
experiment and still keep much of the ____ of research conducted in the real world. -
Answer- internal validity; external validity
A researcher designs a study to determine whether teaching style affects third grader's
motivation to succeed in math. One teacher, with one style, teaches math to one class
of children. Another teacher, with a different style, teaches math to a different class of
children. The researcher finds that the children in the first class are more motivated to
succeed in math. These differences in motivation can be explained by ____. - Answer-
teaching styles and teachers
When participants in one treatment condition have characteristics that are different from
the characteristics of participants in another treatment condition, then ____ may be
threatened. - Answer- internal validity
When research is conducted in a ____, researchers should always be concerned that
participants' behaviors may be influenced by ____. - Answer- laboratory, reactivity
In which research situation would the study be described as confounded? - Answer- An
extraneous variable varies systematically along with the two variables being studied.
