A r c h i v e d  I n f o r m a t i o n

Educational and Labor Market Performance of GED Recipients - February 1998

Appendix B: Tables B-1, B-2, and B-3

Table B-1.-Correlations between the GED and other tests in local areas
Study Test and location Correlation
Brant 1975 citing
Morgan 1969		 Iowa Test of Educational Development
Minneapolis, MN		 .88
Smith and Goetz 1988 American College Test (ACT)
North Harris County, TX		 .80
Cervero 1981 Adult Performance Level (APL) Survey
Cook County, IL		 .81
Sonnenblick 1980 Degrees of Reading Power (DRP)
Staten Island and Queens, NY		 .77
Farr et al. 1986 Test of Adult Basic Education (TABE) .68
Littlefield and
Dowling 1980		 Test of Adult Basic Education (TABE)
Chillicothe, OH		 .66

SOURCE: Studies in this table.

 

Table B-2.-Correlations between the GED composite and GATB general (G) scores in local areas in four states
Study and state n Correlation  
Brenna 1969, Wisconsin 40 .64
Klein and Trione 1970, Nevada 92 .67
Covington et al. 19978, Arizona 70 67
Covington et al. 1978, Minnesota 186 .61
NOTE: The General Aptitude Test Battery (GATB) was designed to measure the work-related skills of applicants for white-collar civil service jobs in the U.S. government. It consists of nine tests of aptitude, including general ability, verbal aptitude, numerical aptitude, and other occupationally related aptitudes such as clerical perception and manual dexterity. Of the nine, general ability and verbal aptitude are the most closely related to the GED.

SOURCE: Studies in this table.

 

Table B-3.-Standard scores on four ASVAB factors
  Attended college
   Did not attend college
Test factor,
by gender		 HSG,
direct entry		 HSG,
delayed entry		 GED   HSG
only		 GED Dropout
Males
  Math reasoning 1.05 .55 .19   -.02 -.28 -.65
  Verbal ability .72 .44 .34   -.02 -.18 -.80
  Processing speed .51 .23 -.06   -.14 -.40 -.83
  Mechanical Knowledge .97 .92 .68   .55 .36 -.13
Females
  Math reasoning .75 .14 -.12   -.19 -.36 -.69
  Verbal ability .71 .45 .29   .12 -.03 -.72
  Processing speed .67 .49 .21   .28 -.08 -.53
  Mechanical Knowledge .09 -.12 -.19   -.33 -.39 -.71
NOTE: The numbers in the table are standard deviations above and below the mean for the test.

SOURCE: Garet et al. (1996), exhibits 3, 4.

-###-
[Appendix A: The GED Norming: Evidence From Wisconsin] [Table of Contents] [Appendix B: Table B-4]