State whether each of the following is an example of a repeated measures design or a matched-samples

State whether each of the forthcoming is an specimen of a repeated gauges artifice or a matched-samples artifice.

1. Researchers gauge balbutiation fluency in a case of high school students across foul-mouthed balbutiation passages.

2. Researchers archives the totality of season (in minutes) that parent-child pairs consume on political networking sites to experiment for generational differences between the pairs.

3. Researchers parallel perceptions of security in foul-mouthed different schools inchoate pairs of participants matched domiciled on whether they were a martyr or agent of bare.