Examlex
Determine whether the vectors u and v are parallel, orthogonal, or neither.
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Research
The systematic investigation into and study of materials and sources to establish facts and reach new conclusions.
One-group Pretest-posttest Design
A research design where a single group is tested before and after an intervention, allowing for comparisons over time.
Variables
Elements, characteristics, or conditions that can change or vary in a research setting, potentially influencing the outcomes.
Diffusion
The process by which an innovation is communicated through certain channels over time among the members of a social system.
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