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Research Methods
Research Methods
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1
I do a study where I deprive people of sleep and see how many donuts they eat in the morning. What is my IV?
amount of average daily exercise
hours of sleep
number of donuts
average level of health
2
The average distance of the scores in a data set from the mean is the...
range
median
mean
standard deviation
3
States with higher rates of vaccination have lower rates of covid. The frequency of mask wearing in this case would be..
a confounding variable
the independent variable
the dependent variable
the experimental group
4
They key to determining if a study is an experiment is to look for...
operational definitions
correlations
random assignment
random sampling
5
Which frequency distribution has the lowest variation?
Sample A (Blue)
Sample C (Green)
Sample B (Red)
They all have the same variation.
6
Before you begin your study to ensure that it is ethical you must...
debrief your participants
gain informed consent
have a random sample
operationally define your variables
7
The APA (American Psychological Association) is responsible for...
ensuring the statistical significance of studies
eliminating bias in samples
providing and holding psychologists to ethical guidelines
ensuring that animal studies are no longer conducted
8
Operational definitions....
ensures the data is collected ethically
describes who receives the treatment of the IV and who doesn't
is a definition of an abstract concept ex. "happiness = feeling optimistic"
allows data to be collected consistently and the study to be replicated
9
In a survey I find that students who spend more time on tik tok get better grades. I can conclude that...
Time on tik tok and grades are are positively correlated
There is no relationship between grades and tik tok
Getting better grades causes more time spent on tik tok
Tik tok causes better grades
10
The way to ensure that each person in a population has an equal chance of being included in a study is...
Inferential Statistics
Random Sampling
Random Assignment
Operational Definition
11
If researchers find that their study is statistically significant that means...
the IV made a large impact on the DV
the study was ethical
there was not a control group
there is a very small probability that the findings were due to chance
12
In the sleep/donuts study, the group who sleeps a normal amount would be the...
control group
experimental group
dependent variable
independent variable
13
What is the mode of: 1, 3, 4, 6, 7, 8, 8?
5.3
7
6
8
14
As belief in God decrease, so does how optimistic people feel. This is an example of...
causation
a negative correlation
a neutral correlation
A positive correlation
