Answer:
Explanation:
Below is the answer
Independent Variable: Dosage of steroid
Dependent Variable: aggressive behaviour (behaviour)
Experimental Group: 24 rats receiving daily injection of steroid
Controlled Group: 24 rats receiving daily injections of a placebo
The independent variable is not dependent on another variable. e.g, dosage of steroid.
Dependent variable; variation in the dependent variable is controlled by the independent variable, e.g. level of aggression.
Experimental group is the group to which the treatment is administered, they are also known as the treatment group.
Control group is the group that does not receive the treatment, it is simply for the basis of comparison.
According to drive-reduction theories of motivation, the goal of behavior is to satisfy a drive. <span>According to </span>drive-reduction theory<span>, humans are </span>motivated<span> to satisfy physiological needs in order to maintain homeostasis. Hope this answers the question. Have a nice day.</span>
Answer:
he 1791 Haitian Revolution secured black independence in the former French colony . Excerpted from The Half Has Never Been Told: Slavery and the Making of American .Yet something unexpected changed the course of history. This second army was to go to Louisiana and plant the French flag.
Explanation:
Roads and payroll taxes are the two items that are expenses for the federal, state and local governments. The correct option among all the options that are given in the question are the second and the last options. Taxes are collected by all the three types of government. On the other hand, the construction of roads in some cases can be a part of all three types of government as well.
erosional landform
A valley is formed by when a glacier travels both across and down a slope and carves the valley.