A comment on Jensen's note on sex linkage and race differences in spatial ability

1978 ◽  
Vol 8 (2) ◽  
pp. 207-211 ◽  
Author(s):  
Mark E. Stevens ◽  
Janet S. Hyde
Keyword(s):  
Spatial Ability ◽  
Race Differences ◽  
Sex Linkage

Manipulate Me

2020 ◽  
Vol 36 (4) ◽  
pp. 554-562
Author(s):  
Alica Thissen ◽  
Frank M. Spinath ◽  
Nicolas Becker
Keyword(s):  
High School Students ◽  
Spatial Ability ◽  
Convergent Validity ◽  
Item Difficulty ◽  
Test Results ◽  
Response Elimination ◽  
School Students ◽  
Test Environment ◽  
Response Options ◽  
Construction Task

Abstract. The cube construction task represents a novel format in the assessment of spatial ability through mental cube rotation tasks. Instead of selecting the correct answer from several response options, respondents construct their own response in a computerized test environment, leading to a higher demand for spatial ability. In the present study with a sample of 146 German high-school students, we tested an approach to manipulate the item difficulties in order to create items with a greater difficulty range. Furthermore, we compared the cube task in a distractor-free and a distractor-based version while the item stems were held identical. The average item difficulty of the distractor-free format was significantly higher than in the distractor-based format ( M = 0.27 vs. M = 0.46) and the distractor-free format showed a broader range of item difficulties (.02 ≤  pi ≤ .95 vs. .37 ≤  pi ≤ .63). The analyses of the test results also showed that the distractor-free format had a significantly higher correlation with a broad intelligence test ( r = .57 vs. r = .17). Reasons for the higher convergent validity of the distractor-free format (prevention of response elimination strategies and the broader range of item difficulties) and further research possibilities are discussed.

Race differences in brain size.

1995 ◽  
Vol 50 (11) ◽  
pp. 947-948 ◽  
Author(s):  
Michael Peters
Keyword(s):  
Brain Size ◽  
Race Differences

Landmark discrimination in the rat: A measure of allocentric spatial ability.

1994 ◽  
Vol 108 (1) ◽  
pp. 206-209 ◽  
Author(s):  
Theresa C. Gleason ◽  
Lawrence A. Rothblat
Keyword(s):  
Spatial Ability
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