3.9 Quasi-experimental designs | Quantitative methods | Research Designs | UvA

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This video explains what quasi-experimental designs are. Sometimes researcher are unable to do a random assignment of participants, or sometimes there is no manipulation. In this case researchers use a quasi-experimental design. Different quasi-experimental designs discussed in this video are: static group comparison, pre/posttest non-equivalent control group, interrupted time-series and replicated interrupted time-series.
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Very helpful and quite advanced but once it clicks it really helps. You can tell the lecturer has incredibly in-depth knowledge of study methodology.

XxLifeProxX
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v complicated, didn't understand much

rashipande
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Is a dose size effect often included in quasi-experiments? For example, one group would play a violent game for 5 minutes, while another group would play a violent game for 2 hours. I've heard of these effects being used when looking for causal evidence in non-experimental data, but I'm not sure if I've heard of them being deliberately designed into quasi-experiments.

ThirdLawPair
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May I ask, what statistical test should be used when a using the Pretest-Posttest non-equivalent control group design?

idellolrence
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this was really helpful thank You very much :D

adnatupkovic
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thanks, your lecture is very good and I wish to continue that.

mohammadyamini
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Very helpful explanation. Tq for sharing.

suzanabongsu
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So hard to follow... Probably just me though. Fuck stats and research methods lol.

lofasz
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complicated to some extent. I gained a little.

oyumaochelle
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