Examlex
If both parents have AB blood type, _______ percent of their children would be expected to have type AB blood.
Negative Correlation
A relationship between two variables in which one variable increases as the other decreases.
Controlled Variable
A factor in an experiment which is kept constant to test the relative impact of an independent variable.
Placebo Effect
The phenomenon in which a person's symptoms can improve due to their belief in the efficacy of a treatment with no therapeutic value.
Debriefing
A process of questioning and informing participants about the purpose and methods of a study after their participation is complete.
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