title: [The research group gets a new member--a possibility to the better or a source of problems?].
authors.affiliation: Oulun yliopiston psykiatrian klinikka Peltolantie 5, 90220 Oulu. maisohan@cc.oulu.fi
authors.forename: M
authors.initials: M
authors.lastname: Isohanni
authors.forename: M
authors.initials: M
authors.lastname: Joukamaa
authors.forename: P
authors.initials: P
authors.lastname: Räsänen
authors.forename: K
authors.initials: K
authors.lastname: Nevala
mesh_terms: D003299:Cooperative Behavior; D004526:Efficiency; D006127:Group Structure; D006801:Humans; D012108:Research Personnel / Q000523:psychology*