Item Generation and Content Validity of the Child-Adolescent Bullying Scale.
Rachel L Difazio, Tania D Strout, Judith A Vessey and 1 others
PMID 29953044WHAT IT FOUND
A draft bullying screen for school-age patients was built and expert-rated, but it is not yet validated; wait for youth testing before using it.
Key findings
01Youths and professionals distinguished unwanted aggression from other peer aggression and said a single unwanted aggressive act could cause harm.
02Experts rated 52 draft items and produced a 22-item tool; 20 retained items had scale-level content validity scores of 0.954 for clarity and 0.920 for representativeness.
03Two new items were added to assess power imbalance and repetition, but repetition is not central to the bullying model.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
The paper reports item generation and content validity only. It does not test reliability, structure, responsiveness, or patient outcomes in a large youth sample. Only 30 of 46 invited experts agreed to participate, and the supplied text does not give focus group participant numbers. Experts had difficulty matching items to intended domains. The factorial validity index ranged from 0.12 to 1.00 across individual items. Twenty-seven items were removed for low representativeness despite acceptable clarity, so the draft items did not all map cleanly to bullying exposure. The final 22-item tool may still need shortening for busy healthcare use.
Declared interests
The publication types list NIH extramural research support. The supplied text says the authors declared no conflicts of interest.
The easy way to misread this
Do not conclude that the Child-Adolescent Bullying Scale is a validated screening tool for use in healthcare settings. The paper reports item generation and content validity only, and it says additional research is needed to evaluate psychometric properties in a large sample of youths presenting to healthcare.