I have to write the self -assessment. There is a powerpoint that my professor put up about what the self-assessment need to sayFor our group, we are deciding that the independent variable is level of fitness in relation to reaction time. Basically, we want to see if the level of physical activity and how often someone exercises will influence an individuals reaction time. This will be researched in relation to central processing, endurance, and our DV which is reaction time!Our hypothesis is still being composed, but will be something as follows:The more days a week someone exercises will positively impact and increase reaction time; central processing, muscle flex, and endurance all contributing factors.Possible confounding variables: -type of physical activity-gender-age-education-socioeconomic status
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UMUC PSYC 300
Three General Methods
Definition: Research methods that do
not involve the manipulation of an
Independent Variable (IV)
Purpose: Take advantage of existing
data or situations to answer research
Advantages: cost/time- efficient, allows
for use of existing data or situation
without a new data collection effort
Disadvantages: may not always have all
the information or variables needed
Example: Comparing the income of
married and unmarried US Citizens
using Census data
Definition: determination of the
relationship between two variables,
without manipulation of an IV
Purpose: make predictions about an
outcome given known variables
Advantages: allows for control of
confounding variables when looking at
relationships between variables
Disadvantages: uses existing data, with
the same potential weaknesses of
Example: predicting college success
using SAT scores
Definition: manipulating the IV to
evaluate the impact on
Purpose: to evaluate the relationship
between variables in the most
Advantages: allows for new relationships to
be examined without the requirement for new
Disadvantages: time consuming, expensive
Examples: randomly assigning a new
medicine (IV) to half a group of cancer
patients and evaluating their recovery rate
Research Methods: Hint
Be prepared to define, state the
purpose, advantages and disadvantages
and give an example in the near future!
By now you should know what to doâ?¦.
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