Examlex
Some scientists tend to __________ the genetic differences between groups; but measurement shows that within any given racial group the differences tend to be ____________ than they are between racial groups.
Random Sampling
A method of sampling that gives every member of a population an equal chance of being selected, ensuring the sample is representative of the entire population.
Blind Group Assignment
A method used in experiments where participants are randomly assigned to groups without knowing which group (e.g., experimental or control) they are in to reduce bias.
Random Group Assignment
A method used in experiments where participants are randomly assigned to different groups to ensure that each group has a similar composition at the start of the experiment.
Replication Crisis
A methodological issue in psychology and other fields indicating a lack of reproducibility of research findings, challenging the reliability of scientific literature.
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