Barthelemy 1980 |
lack of random group assignment to conditions |
Barthelemy 1981 |
non‐random group assignment |
Barthelemy 1983 |
non‐random group assignment |
Barthelemy 1985 |
non‐random group assignment |
Bönisch 1968 |
varied diagnosis for participants; no control condition |
Jonas 1984 |
non‐random group assignment |
Lelord 1978 |
non‐random group assignment; didn't measure behaviour change |
Lelord 1981 |
open trial; non‐random group assignment |
Lelord 1982 |
open trial; non‐random group assignment |
Martineau 1981 |
non‐random group assignment; non‐comparable group comparison |
Martineau 1982 |
non‐random group assignment; didn't measure behavioral change |
Martineau 1985 |
non‐random group assignment; didn't measure behavioural change |
Martineau 1988 |
open trial; non‐random group assignment |
Martineau 1989 |
open trial; non‐random group assignment |
Menage 1992 |
open trial; non‐random group assignment |
Rimland 1978 |
open study: non‐random group assignment of participants |