Examlex
Using probability sampling,each member of the population has an equal chance of being selected for the sample.
High Self-Efficacy
A belief in one's own ability to succeed in specific situations or accomplish a task.
National Science Foundation
A US government agency that supports fundamental research and education in all the non-medical fields of science and engineering.
Research
The systematic investigation into and study of materials, sources, etc., in order to establish facts and reach new conclusions.
Investment
The allocation of resources, such as capital or time, in the expectation of receiving future benefits such as income or growth.
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