Examlex
When a plant has a hypersensitive response, which production triggers effects such as the expression of PR proteins?
Third-variable Problem
The third-variable problem occurs when a previously unconsidered variable affects both variables of interest, potentially falsely suggesting a causal relationship between them.
Correlational Studies
Research methods used to examine a relationship between two or more variables without manipulating them.
Random Assignment
A method used in experiments to assign participants to different groups using chance, ensuring each participant has an equal opportunity to be assigned to any group.
Random Sample
A selection method where each member of a population has an equal chance of being included, ensuring the sample's representativeness of the entire population.
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