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5.1 External validity threats \| Quantitative… duration 4 minutes 56 seconds 5.1 External validity threats \| Quantitative… 5.1 External validity threats \| Quantitative methods \| Sampling \| UvA	5.1 External validity threats \| Quantitative methods \| Sampling \| UvA This video discusses different threats to external validity: history threat, setting threat (pretesting and reactivity) and selection threat. You also learn what you can do to reduce these threats to… generalizability history threat setting threat pretesting reactivity selection threat externe validiteit bedreigingen externe validiteit interactief testeffect selectie locatie From Sander Birkhoff 0 likes 2 plays 0 Language English - en Department FMG
Randomized Experiments - Designs duration 5 minutes 12 seconds Randomized Experiments - Designs Randomized Experiments - Designs	Randomized Experiments - Designs In this video several randomized experimental designs are discussed. This video is part of a project at the Univeristy of Amsterdam in which instruction videos were produced to supplement a… randomized experiments two-group two group control experiment deisgn experiment random exposure internal internal validity validity history instrumentation selection effect randomly assigned group assignment design posttest pretest solomon four four-group participants variable test groups conditions designs math pre representation differences treatment measures varies combination condition scores researcher level From mhamel1 0 likes 2 plays 0 Language English - en Author Onderzoeksmethoden UvA Department FMG
Quasi-Experimental Designs duration 6 minutes 34 seconds Quasi-Experimental Designs Quasi-Experimental Designs	Quasi-Experimental Designs This video provides an introduction to quasi-experimental designs. This video is part of a project at the Univeristy of Amsterdam in which instruction videos were produced to supplement a course… aggressiveness designs pretest game variable posttest effect participants assignment intervention threat exposure series control history selection comparison differences parents children From mhamel1 0 likes 2 plays 0 Language English - en Department FMG