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 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?