What affects the validity of a study?

What affects the validity of a study? Here are seven important factors affect external validity: Population characteristics (subjects) Interaction of subject selection and research. Descriptive explicitness of the independent variable. The effect of the research environment. What are some threats to the validity of a research study? There are eight threats to internal validity: history, […]

What are the 2 main causes of water pollution?

What are the 2 main causes of water pollution? The Causes of Water Pollution Industrial Waste. Industries and industrial sites across the world are a major contributor to water pollution. Marine Dumping. Sewage and Wastewater. Oil Leaks and Spills. Agriculture. Global Warming. Radioactive Waste. What are main causes of water pollution? Humans are the main […]

Is wealth and money the same thing?

Is wealth and money the same thing? Wealth is the collection of resources we can use. You can have wealth without having money. Money is a way of moving wealth, and in practice they are usually interchangeable. How prosperity and wealth are related? Meaning. Wealth refers to the state of being rich or having an […]

Was Yeltsin elected?

Was Yeltsin elected? On June 12, 1991 Yeltsin was elected as the first President of the Russian Federation, received 45,552,041 votes, representing 57.30 percent of the number who took part in the vote, and well ahead of Nikolai Ryzhkov, who, despite the support of the federal authorities, received only 16.85%. What did Boris Yeltsin do […]

Why should elderly drivers not be retested?

Why should elderly drivers not be retested? The physical and mental changes that accompany aging can diminish the abilities of elderly drivers. These include: a slowdown in response time; a loss of clarity in vision and hearing; a loss of muscle strength and flexibility; drowsiness due to medications; and a reduction in the ability to […]

Which attribute can be further subdivided?

Which attribute can be further subdivided? However, it is possible to have a composite identifier, which is a primary key that is composed of more than one attribute. Composite and Simple Attributes: Attributes are classified as simple or composite. A composite attribute is an attribute that can be further subdivided to yield additional attributes. Which […]

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