Random <u>selection </u>ensures that a sample is representative of the population. random <u>assignment </u>ensures that participant characteristics are equivalent across groups.
<h3>What is a representative sample?</h3>
Representative samples are little amounts or components that are a part of a bigger group or organization. It shares the same characteristics as the bigger population it represents.
Consider a company in Germany's Bavaria that is going to launch a new service or product. It would be difficult for the company to poll every Bavarian to determine how they felt about the launch. As an alternative, researchers can compile a small sample from various locations in Bavaria that will serve as a representative sample of the local populace. After that, a survey will be given to the respondents to gather their comments on the good or service. A "representative sample" is the term used to describe this selection of Bavarian individuals.
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Engineering controls safeguard employees by eliminating dangerous situations or by erecting a barrier between the employee and the risk. Examples include machine guards to protect the worker or local exhaust ventilation to capture and remove airborne pollution.
What is the difference between engineering control and administrative control?
Engineering controls could involve altering the weight of the products, adjusting the heights of the work surfaces, or getting lifting equipment. Administrative controls are workplace policies, practices, and processes that reduce the likelihood of risky situations for employees.
What are the basic principles of engineering controls?
- Redesigning a process to use less dangerous chemicals;
- Redesigning a piece of equipment to eliminate the source of high temperatures, noise, or pressure;
- Designing general ventilation with enough fresh outdoor air to improve interior air quality and generally to provide a safe, healthy environment.
- Redesigning a workstation to reduce physical stress and remove ergonomic dangers.
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1. B. conference committee
This committee usually consist of senior members of the standing committee
2. A. Ways and means
This committee has the power create regulation regarding taxing, which considered a really prestigious position
3. C. Seniority system
The chairpersons usually consist of the senior one
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OA because it has the time and the Punctuation