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1) Students watched a cartoon either alone or with others and then rated how funny they found the cartoon to be.
Investigative Question: Will the amount of friends watching a cartoon affect how funny it is?
Independent Variable: The size of the group watching. (Think how are the groups made?)
Dependent Variable: Number of laughs recorded per person or Rating scale of the cartoon afterwards. (Data)
2) A comprehension test was given to students after they had studied textbook material either in silence or with the
television turned on.
Investigative Question: Does the amount of noise affect how well you study?
Independent Variable: How loud the study environment was. (Separated groups into with TV on or in silence)
Dependent Variable: Score on the comprehension test. (Data)
3) Some elementary school teachers were told that a child’s parents were college graduates, and other teachers
were told that the child’s parents had not finished high school; they then rated the child’s academic potential.
Investigative Question: Does your parent’s academic achievements affect your academic potential?
Independent Variable: Parent’s education level. (Groupings)
Dependent Variable: IQ test, TN data, Core Class GPA, PSAT (Fair Data that every student can take)
4) Workers at a company were assigned to one of two conditions: One group completed a stress management
training program; another group of workers did not participate in the training. The number of sick days taken by
these workers was examined for the two subsequent months.
Investigative Question: Will Stress Management Training (SMT) decrease the number of sick days taken?
Independent Variable: Amount of SMT completed (Some went through the training and some did not)
Dependent Variable: Number of sick days taken.
5) Students at a University were split into two groups and each received a different text for a philosophy course.
Once group received a traditional text book, while the other received an interactive textbook on a tablet
computer. After the course, the final exam marks between the two groups of students was compared.
Investigative Question: Does technology increase test scores?
Hypothesis: If a student uses an I-Book for the text, then there will be now increase in the final exam grade.
Independent Variable: The type of text book
Dependent Variable: Final Exam Scores
Constant Variables: The test format, amount of time to take the test, prep materials given, pre-test routine, how the
lessons are given, testing environment, relative age of students…
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. Nine months after you miss a student loan payment, your loans will enter into default status. If you have private loans, there's this thing called no “grace period” of delinquency, where your loans are immediately in default the day after your payment was due.