Research Methods 8 - 10% Flashcards
… research has clear, practical applications
applied research has clear, practical applications
… research is not intended to have immediate, real-world applications
Basic research is not intended to have immediate, real-world applications
random assignment allows researchers to control for …
random assignment allows researchers to control for confounding variables
… allows researchers to control for confounding variables
random assignment allows researchers to control for confounding variables
… helps minimize preexisting differences between experimental and control groups
random assignment helps minimize preexisting differences between experimental and control groups
… helps researchers generalize from a small set of survey responses to a larger population
random sampling helps researchers generalize from a small set of survey responses to a larger population
the … is the most frequently occurring score or scores
the mode is the most frequently occurring score or scores
the …is the arithmetic average
the mean is the arithmetic average of the scores
The …. is the midpoint of the data
The median is the midpoint of the data
Averages derived from scores with low variability are more … than averages based on scores with high variability. ( Myers 10th pg. 37)
Averages derived from scores with low variability are more reliable than averages based on scores with high variability. ( Myers 10th pg. 37)
in a …, every person
in the entire population being studied has an equal chance of participating
in a random sample, every person
in the entire population being studied has an equal chance of participating
In a …, two factors rise or fall together
In a positive correlation, two factors rise or fall together
In a …, one variable rises as the variable falls
In a negative correlation, one variable rises as the variable falls
a … can describe the strength and direction of a relationship between two variables
a correlation coefficient can describe the strength and direction of a relationship between two variables
a … can range from +1.00 to −1.00
a correlation coefficient can range from +1.00 to −1.00
a correlation coefficient can range from …
a correlation coefficient can range from +1.00 to −1.00
a correlation coefficient … is a perfect positive correlation
a correlation coefficient +1.00 is a perfect positive correlation
a correlation coefficient … is a perfect negative correlation
a correlation coefficient -1.00 is a perfect negative correlation
a correlation coefficient of … means no correlation at all
a correlation coefficient of zero means no correlation at all
an … group is exposed to the treatment
an experimental group is exposed to the treatment
a … group is a given a placebo
a control group is a given a placebo
… is the factor the experimenter
manipulates to study its effect
independent variable is the factor the experimenter
manipulates to study its effect
the … is the factor the experimenter
measures to discover any changes
the dependent variable is the factor the experimenter
measures to discover any changes
Studies may use a … procedure to avoid the placebo effect and researcher’s bias.
Studies may use a double-blind procedure to avoid the placebo effect and researcher’s bias.
the … states how much scores vary around the mean
the standard deviation states how much scores vary around the mean
