Table 6.

Effect Sizes for the Gender Gap in JPSP Publications by Decade and Author Order

Time Span	Authorship Combined	First Author	Second Author	Third Author	Fourth or More Author
1965–1974	.53†	.60*	.19	.19	.32
1975–1984	.88**	.73**	.59*	.18	.09
1985–1994	.74**	.65*	.38	.18	.18
1995–2004	.69**	.48†	.42	.38	.51†
1965–2004	1.57**	1.16**	.68*	.38	.58†

Note. Effect sizes are Cohen’s d. Positive effects indicate that men published more than women. By convention, small, medium, and large effect sizes correspond to .20, .50, and .80, respectively (Cohen, 1988).

^†p < .10.

^*p < .05.

^**p < .01.