Examlex
Zachary is taking a survey about television sets. The question about preferred screen size allows four options: 12" screen, 19" screen, 21" screen, and 25" screen. What kind of question is this an example of?
Observer Bias
The tendency for observers to see, report, or record what they expect to see, rather than what is actually happening, due to preconceived notions or beliefs.
Survey Method
A research technique used to gather data through questionnaires or interviews from a sample of individuals.
Case Study
A research method that involves an in-depth analysis of a single individual, group, event, or situation to explore causation in order to find underlying principles.
Single-blind Study
A study design where the participants do not know which group (experimental or control) they are in to prevent bias, but the researchers do.
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