Matching can improve the comparability of experimental and comparison groups. Quasi-experimental designs and pre-experimental designs are often used when experimental designs are impractical. Quasi-experimental and pre-experimental designs may be easier to carry out, but they lack the rigor of true experiments.
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true po
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Matching can improve the comparability of experimental and comparison groups. Quasi-experimental designs and pre-experimental designs are often used when experimental designs are impractical. Quasi-experimental and pre-experimental designs may be easier to carry out, but they lack the rigor of true experiments.