I believe the answer is: physical development
In longitudinal study same subjects over a certain period of time. From the study above, we can see that on-field-performance is the dependent variables. Since there is no way for the researchers to conduct and proof the psychological development, physical development ia the most suitable choice.
Answer:
By making changes in the inventions that makes life easier.
Explanation:
innovation has greatly impacted the life of the inhabitants and later periods in history because with the help of innovation, the instruments were made more advanced which make the work easier and the people can get benefit from it and their life was completely changed with this innovations. For example, in ancient times, people made floor by crushing seeds with an small machine but with the help of innovation, a wind mill was formed and more grains was grinded to make floor.
Answer:
"film"
Explanation:
A dependent variable is defined as what you measure in the experiment and what is affected during the experiment. Based on this information and the description of the experiment that is described within the question it can be said that the dependent variable is the "film" that is shown to the children. This is because it can be assumed that the children imitate what is shown in the film.
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