Examlex
In sentiment analysis, it is hard to classify some subjects such as news as good or bad, but easier to classify others, e.g., movie reviews, in the same way.
Group Assignment
The process of allocating participants into different groups, such as experimental or control groups, within a study.
Operational Definitions
Explicit, precise statements about how variables are measured or defined in the context of a research study.
Research Questions
Specific questions that a study seeks to answer, guiding the direction and focus of the research.
Double-Blind Study
A study design in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias in research results.
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