A distinguishing feature of a quasi-experimental study is that it:.

Explanation:

A distinguishing feature of a quasi- experimental study is that it involves manipulating variables of interest but not controlling additional variables that might affect results. Hence, Quasi-experimental research involves the manipulation of an independent variable without the random assignment of participants to conditions or orders of conditions. Among the important types are nonequivalent groups designs, pretest-post-test, and interrupted time-series designs.

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