Abstract
Shute, Pellegrino, Hubert, and Reynolds (1983) found spatial ability to be positively related to androgen levels in females and negatively related to androgen levels in males. Although they intended to study the relationship of a specific steroid, testosterone (T), to spatial ability, their antibody was not specific for T. The present study assessed the relationship of T, specifically, to spatial and verbal abilities. Additionally, possible T-level differences between left- and right-handed subjects were assessed. Results showed females and left-handers to be inferior in spatial ability to males and right-handers, respectively, on the Stafford Identical Blocks Test. This replicates previous findings (McKeever, 1986). No other sex or handedness effects were obtained on ability measures. No handedness effect was found for T levels. No relationship of T to either spatial or verbal measures was found. We concluded that T is not the critical androgen implicated in spatial ability by studies employing nonspecific steroid measures.
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