Guyer                  package:car                  R Documentation

_A_n_o_n_y_m_i_t_y _a_n_d _C_o_o_p_e_r_a_t_i_o_n

_D_e_s_c_r_i_p_t_i_o_n:

     The 'Guyer' data frame has 20 rows and 3 columns. The data are
     from an experiment in which four-person groups played a prisoner's
     dilemma game for 30 trails, each person making either a
     cooperative or competitive choice on each trial. Choices were made
     either anonymously or in public; groups were composed either of
     females or of males. The observations are 20 groups.

_U_s_a_g_e:

     data(Guyer)

_F_o_r_m_a_t:

     This data frame contains the following columns:

     _c_o_o_p_e_r_a_t_i_o_n Number of cooperative choices (out of 120 in all).

     _c_o_n_d_i_t_i_o_n A factor with levels: 'A', Anonymous; 'P',
          Public-Choice.

     _s_e_x Sex.  A factor with levels: 'F', Female; 'M', Male.

_S_o_u_r_c_e:

     Fox, J. and Guyer, M. (1978) Public choice and cooperation in
     n-person prisoner's dilemma. _Journal of Conflict Resolution_
     *22*, 469-481.

_R_e_f_e_r_e_n_c_e_s:

     Fox, J. (1997) _Applied Regression, Linear Models, and Related
     Methods._ Sage.

