State v. Copeland’s Empirical Analysis
1983
Citation profile
2 district · 27 state decisions
How this case has been cited
Cited by 29 later decisions — most recently January 2015 · most notably State v. Lewis (1987), State v. Reynolds (1984)
2 district · 27 state decisions
Later decisions citing this case, by decade. The current decade is in progress, and our corpus holds fewer opinions from the most recent years, so the latest bars are undercounted — not a real decline.
Relationships
Relies on Miranda v. State of Arizona Vignera · Schneckloth v. Bustamonte · Haynes v. Washington · Bram v. United States · State v. Phinney
Most-quoted passages
The sentences later courts lift from this opinion, ranked by how many decisions quote each — the parts of the opinion doing the work. These counts are smaller than the citation total above because most of the 29 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
““In proving voluntariness, the State must show that a confession was ‘the product of an essentially free and unconstrained choice,’ Schneckloth v. Bustamonte, 412 U.S. 218, 225 (1973), and was not ‘extracted by any sort of threats or violence, [or] obtained by any direct or implied promises, however slight, [or] by the exertion of any improper influence.’ Bram v. United States, 168 U.S. 532, 542-43 (1897)..."”
1 later decision quote this exact passagee.g. State v. Reynolds
How this case has been treated — in progress
Whether each later court followed, distinguished, criticized, or overruled this decision. The treatment classification (task #35) runs highest-cited cases first and lights up here as it reaches this one.