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Psychological Science
A researcher is interested in the impact of anxiety on performance. In order to manipulate anxiety, they have some subjects eat plain chips while others eat barbecue flavoured chips. The most obvious problem with this experiment is a lack of :
statistical validity
empirical validity
internal validity
construct validity
Author:
rikazzz
Comment
Psychological Science
Three commonly used measures of central tendency are:
range, standard deviation, median,
median, mode, dispersion
mode, median, standard deviation
median, mode, mean
Author:
rikazzz
Comment
Psychological Science
In a normal distribution most scores are located:
at the high end of the distribution
at the low end of the distribution
in the centre of the distribution
at the extremes of the distribution
Author:
rikazzz
Comment
Psychological Science
Creating equivalence among research participants is vital for:
experimental research
correlational research
descriptive research
equivalence is never vital
Author:
rikazzz
Comment
Psychological Science
A researcher is interested in whether the results of her experiment (conducted in Canada) would be the same if the experiment were conducted in China. This researcher is concerned with:
internal validity
external validity
statistical validity
none of the above
Author:
rikazzz
Comment
Psychological Science
Dr. Maki questioned a group of 9th graders about their career aspirations. This is an example of a(n)
experiment
survey
case study
manipulation
Author:
rikazzz
Comment
Psychological Science
A double-blind study is used to minimize the impact of:
experimenter bias
expectancy effects
both a and b
neither a nor b
Author:
rikazzz
Comment
Psychological Science
A strength of correlational designs is that they:
can demonstrate causation
do not require ethics board approval
can be used with variables which cannot be manipulated by a researcher
are more intrusive than experimental designs
Author:
rikazzz
Comment
Psychological Science
A researcher plans to assess intelligence by counting the number of times participants can hop on one leg in 60 seconds. An obvious problem with this is:
lack of statistical validity
number of hops is too subjective
lack of construct validity
lack of significance
Author:
rikazzz
Comment
Psychological Science
According to the text, which of the following is NOT a characteristic of a good theory?
it is parsimonious
it is falsifiable
it is common sense
it is general
Author:
rikazzz
Comment
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