Examlex
Which is true about randomized experiments?
I. Randomization reduces the effects of confounding variables.
II. Random assignment of treatments allows results to be generalized to the larger population.
III. Blocking can be used to reduce the within-treatment variability.
Sample Size
The number of individuals or observations included in a sample for the purposes of research.
Credible Research
entails studies or information derived from rigorously tested methods and trusted sources, ensuring reliability and validity.
Nonprobability Samples
A sampling method where the samples are collected in a process that does not give all the individuals in the population equal chances of being selected.
Researcher Judgment
The process by which a researcher makes decisions based on their knowledge, experience, and analysis of data during a study.
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