Dr. Newsome has to describe the operational definition of birth order and SHYNESS.
Before a scientist can carry out an experiment, he must identify all his variables and each of these variable must have an operational definition. Operational definition refers to the application of operations that will be used to define each variable.
Answer:
A control should have been included in the investigation
Explanation:
It is impossible for the student to interpret a correct conclusion about his experiment, without adding a control treatment where he can really compare the differences between the variables.
Control treatment is an element of research that receives all factors, except the variable being tested. The control serves to make comparisons with the other treatments, allowing to observe the exact difference between a system where the variable was tested and the system where it was not.
In the case of the question above, it would have been necessary for the student to have placed a cart on a ramp of normal height and without sandpaper. That way he could compare the speed between this cart and the carts on the other ramps, thus having a correct result.
1) B - Study of markets, resources, and productivity
2) A - Businesses *receive* or *purchase* goods and services in product markets.
Answer:
Lev Vladimirovich Kuleshov.
Explanation:
Based on the information provided within the question it can be said that the individual that is being described in this scenario is known as Lev Vladimirovich Kuleshov. He was a Russian and Soviet filmmaker and theorist born in Tambov, Russia on January 13, 1899. Kuleshov is known for The Kuleshov effect which was created by him to show the mental phenomenon in which viewers see deeper and more emotional meaning in a two sequential shots than from a single shot in isolation when making a movie.
The code Nior was also known as the slave code so your answer would be D the slave population.