Answer:
GPALS was approved by President George H.W. Bush in 1991. The new system would cut the proposed costs of the SDI system from $53 billion to $41 billion over a decade.
Explanation:
Answer:
b. Representative democracies
Explanation:
A representative democracy is a type of government that is supports the idea of representatives being elected by citizens in order to have their needs and interests represented. This is usually mentioned in contrast to direct democracies, which are those in which people vote on issues directly. Almost all democracies that exist nowadays are representative, and this type of government is the most used political system in the world nowadays.
Answer:
A. there is a control group and a treatment group
Explanation:
In a randomized controlled experiment there is a control group and a treatment group. Randomized controlled experiments are are highly structured experiments in which manager obtains the data to work smarter based on the resources available. These are use din business environment and not time consuming or costly ; all you need to do is to have the data available of the business segment you want to evaluate. Randomization makes one feels more confident that any result he get is actually caused by the independent variable of interest.
<span>The correct answer is internal validity; external validity.
1. Internal validity refers to a characteristic of a research study that is successful in eliminating confounding variables so that the results are obtained from manipulation of the independent variable(s) alone, and not any other confounding or extraneous variables. In this instance, by controlling variables, like age and gender, the internal validity of the study is strengthened.
2. External validity refers to a characteristic of a research study wherein the findings can be generalized or extrapolated to other settings and other populations. In this instance, when variables like gender and age are controlled, the study is low in external validity because the findings can only be extrapolated to limited population, and not every gender and age group.
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Answer:
D- to protect the natural rights of the people
Explanation:
Thomas Jefferson inspired the bill of rights :)
