NEW
Font size
WorksheetsResearch Methods
Total questions: 25
Worksheet time: 13mins
A principle formed after research has been done
theory
hypothesis
An assumption made before any research is done
theory
hypothesis
Explaining exactly how variables will be measured in a study is a(an)
wording effect
standard deviation
operational definition
Operational definitions are used so a study can be
valid
replicable
ethical
Drawing data from one particular group or person over a long period that can be applied to all is a(an)
naturalistic observation
case study
survey
Watching people or animals in their own environment without any manipulation or interaction is a(an)
naturalistic observation
case study
survey
Asking questions to a random sampling of people to collect data is a(an)
naturalistic observation
case study
survey
Surveys can be tricky because of
wording effects
hindsight bias
overconfidence
Sandy wants to do a study on the effects of social media on American teenagers. All american teens would be her
random sample
control group
population
Sandy will choose 100 students from each of the 50 states for her study. This is her
population
control group
random sample
Sandy will draw names from a hat. The first 2,500 names drawn will be the control group. The last 2,500 will be the experimental group. This is called
random sample
random assignment
representative sample
Which shows the strongest correlation coefficient?
-0.01
-0.9
0.08
0.5
Which shows the weakest correlation coefficient?
-0.01
-0.9
0.08
0.5
"Kids who engage in 5 or more hours of social media per day have higher than normal levels of anxiety."
What is the independent variable in this study?
number of hours of social media
levels of anxiety
"Kids who engage in 5 or more hours of social media per day have higher than normal levels of anxiety."
What is the dependent variable in this study?
number of hours of social media
levels of anxiety
The following numbers of books were read by the Smith family this summer:
Chuck 3
Tom 4
Sue 7
Lisa 7
Don 9
What is the mean?
30
7
6
The following numbers of books were read by the Smith family this summer:
Chuck 3
Tom 4
Sue 7
Lisa 7
Don 9
What is the median?
30
7
6
The following numbers of books were read by the Smith family this summer:
Chuck 3
Tom 4
Sue 7
Lisa 7
Don 9
What is the mode?
30
7
6
The following numbers of books were read by the Smith family this summer:
Chuck 3
Tom 4
Sue 7
Lisa 7
Don 90
What measure of central tendency will be most affected by Don's number of books?
mean
median
mode
The following numbers of books were read by the Smith family this summer:
Chuck 3
Tom 4
Sue 7
Lisa 7
Don 90
How will Don's unusually large number effect the bell curve?
skew to left (negative skew)
skew to right (positive skew)
normal bell curve
In an experiment, the group that has no changes to its environment is called the
placebo
experimental group
control
The degree of variation between scores is called
correlation
range
standard deviation
Which is an ethical guideline that should be followed when using humans in research?
informed consent
debriefing
confidentiality
all of these
If a participant is under the age of 18,
you must have consent of paren or guardina
they cannot be used in an experiment
they must be told what the experiment is about
When a study measures what it is supposed to, then it is said to be
reliable
valid
ethical
