Starting in April 2025, ACT will introduce enhanced forms of the ACT® test for national online testing, with a full rollout to all paper and online test takers in national, state and district, and international test administrations by Spring 2026. ACT introduced major updates by changing the test lengths and testing times, providing more time per…

The Psychopathic Personality Inventory (PPI) has shown promising construct validity as a measure of psychopathy. Because of its relative efficiency, a short-form version of the PPI (PPI-SF) was developed and has proven useful in many psychopathy studies. The validity of the PPI-SF, however, has not been thoroughly examined, and no studies have…

The usefulness of examining the structural validity of scores on multidimensional measures using nested hierarchical model comparisons was evaluated in 2 studies using the Social Problem Solving Inventory (SPSI) with samples of 464 and 216 undergraduates. Results support the conceptual model of the SPSI. (SLD)