An experimenter studying competition wants to compare the behaviour of students performing a difficult task with that of students doing an easy task.She designates participants for each task,making sure that each student has an equal chance of being in either the hard or the easy condition.This procedure is known as

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Random assignment ensures that participants have an equal chance of being placed in either the hard or easy condition, which is important for reducing the potential influence of extraneous variables. Random sampling is the process of selecting participants from a larger population, which is not relevant to the design of this experiment. Conditional selection and selective designation are not recognized terms in experimental design.

An Experimenter Studying Competition Wants to Compare the Behaviour of Students