Directions: Find the independent variables (IV) and dependent variables (DV) in
ID: 3443792 • Letter: D
Question
Directions: Find the independent variables (IV) and dependent variables (DV) in the following scenarios:
1. A test was designed to test the effects of alcohol on motor coordination group one was given a mixed drink with two shots of alcohol in it. Group two was given a mixed drink with one shot of alcohol in it. Then their motor coordination was tested by asking them to do a series of balancing exercises.
2. A study was conducted on sleep deprivation and cognitive performance on a problem solving test. One group of subjects was deprived of 1 hour of sleep, the other group of subjects was deprived of 4 hours of sleep. Then they were given the problem solving test.
3. A recent report found that blueberries enhanced the maze running performance of mice. What was the independent variable and dependent variable of this experiment?
4. We are studying whether or not a new vitamin supplement helps boost memory retention. What is the IV and DV?
5. If I wished to try a new cooperative teaching method and I wanted to study how effective it is compared to the standard lecture method. How would I design my experiment?
Correlations
Directions: For the following correlation findings, state whether the correlation is positive or negative.
1.The more rooms a person has in their house, the more pairs of shoes they are likely to own.
2.The more classes a student misses, the lower their grades are likely to be.
3.The more alcohol a person drinks, the lower their scores on performance tests.
4.The fewer friends an elderly person has, the more likely they are to have symptoms of depression.
5.The more selections from Mozart that a baby listens to, the higher the child’s intelligence scores.
6.The fewer fruits and vegetables a person eats, the more likely they will get cancer.
7.The more languages you speak, the higher your scores on mathematics.
8.The more chocolate your teacher eats before class, the more likely she is to tell jokes.
Explanation / Answer
Correlations
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