Research on alcohol has shown that the more a person drinks, the worse their motor skills will become, such as walking, coordination, and balance. Dr. Smith decided to test this claim by randomly assigning volunteers to two groups in which people either drank alcohol or not. Ten people drank 6 oz. of vodka in one hour; 10 people drank 6 oz. of water in one hour. Dr. Smith predicted that people in the alcohol group will not be able to balance on one foot for as many seconds as people in the water group.What is the Independent Variable (IV)?What is the Dependent Variable (DV)?Please identify the theory!Please identify the hypothesis!

Independent variable (IV) : This is the variable which is varied, they are the two different treatment given to the group of participants. Hence the independent variable (alcohol (vodka) and non-alcohol (water)).

The dependent variable (DV) : variation in response obtained due to changes in the independent variable applied. This is the change in motor skill of participants.

The theory is based on the fact drawn from the research that an individual's motor skills worsens with increased consumption of alcohol.

The hypothesis 'is aimed at establishing that participants in the non-alcohol group will maintain a better balance for a longer period on one foot than those in the alcohol group.

tallinn tallinn · Answer 2 · 2022-03-10T13:32:11+01:00

Independent variable (IV): this is often the varied variable, they're the 2 different treatments given to the group of participants. Hence the experimental variable (alcohol (vodka) and non-alcohol (water)).

What is Hypothesis?

The variable (DV): variation in response obtained because of changes within the variable applied. this can be the change in the motor skill of participants.

The theory relies on the very fact drawn from the research that a person's motor skills worsen with increased consumption of alcohol.

The hypothesis 'is geared toward establishing that participants within the non-alcohol group will maintain a stronger balance for an extended period on one foot than those within the group.

Find out more information about Hypothesis here:

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