The Mini Inventory of Right Brain Injury (MIRBI­-2) allows you to quickly screen clients for neurocognitive deficits associated with right hemisphere lesions. The test meets the need for a brief, standardized, right-brain injury screening instrument that yields severity levels for deficit areas. Test reviews and professionals’ comments from the field were incorporated into the new edition.

New Features

• More data were collected on normal, right, and left brain injured individuals.
• The number of cases in the interscorer reliability study was increased and relevant analyses were conducted on the expanded dataset.
• Many new validity studies have been conducted, with particular emphasis on the relationships of MIRBI­2 scores to other measures of neurocognitive impairment.
• A principal components factor analysis was performed to test construct validity of the items.
• Each item in the test was reevaluated using conventional item analysis to establish the underlying statistical foundation.
• A revised Right­Left Differential Scale was created with an updated cutoff score for right brain impairment.
• A table for converting raw scores to percentiles and stanine scores was added.
• The rationale has been updated to reflect current trends in neuropsychology.
• The test booklet was revised to include more user-friendly areas for recording patient information, as well as revised criteria for scoring patient responses. A tear-off response pad has been added for additional convenience, featuring a response sheet for items 1 and 2 on one side, and the Reading Ability paragraph for completion of items 7 and 8 on the other.
• A caliper is included for convenience and to standardize administration across examiners.

The MIRBI­2 was normed on 128 right-brain injured people. Reliability was estimated by coefficient alpha (.84). All item discrimination coefficients exceeded .3 acceptable levels and ranged from .37 to .81, median: .57. Inter-rater reliability was .99. Concurrent validity was very good and included the study of left-brain injured participants and control participants without brain injury.

Complete MIRBI-­2 Kit includes: Manual, 25 Examiner Record Booklets, 25 Report Forms, 25 Response Sheets, and a Caliper, all in a sturdy storage box.

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