Examlex
Perform the operation and write the answer in scientific notation.
Systematic observation
A structured method of data collection where researchers observe and record behavior or phenomena according to predefined criteria or standards.
Reliability
The degree to which an assessment tool produces stable and consistent results over repeated measures or occurrences.
Validity
See construct validity, external validity, internal validity.
Documentaries
Documentaries are a genre of film and television that provide a factual record or report on various subjects, aiming to inform or educate viewers.
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