Which technique most clearly minimizes the likelihood that any outcome differences between the experimental and control groups can be attributed to age or personality differences in research participants?
a. the double-blind procedure
b. statistical measurement
c. replication
d. operational definitions
e. random assignment

The correct option is: e. random assignment

Explanation:

Random assignment, also known as the random placement, is a technique which is used to allocate the research participants of an experiment or research into two groups: the treatment group or the experimental group and the control group, by the method of randomization.

This process of randomization makes sure that the every research participant has an equal possibility of getting placed in any of the groups.

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