A new solution of the problem of selection of group members based on achievement of their valuation - orientational unity and not on the principle of similarity of their characterological peculiarities is suggested. Results of experimental verification of an original procedure of establishing the degree of normativity / variativity of individual moral and valuation judgemens are discussed (the procedure is patterned on the principle of divergence in men's conscienceness of the two scales: "good - bad" and "you can - you must not"). It has been shown that in sufficiently united collectives agreement of the data obtained by means" of the above technic is much better than in newly organised groups; at the same time collectives of higher degree of the social-psychological development are characterised by larger variativity of judgement.