ANOVAs on the 8 specific items revealed similar trends.
Items revealed included wall paintings, scrolls and a sophisticated water collection system.
Principal components analysis of COPS items revealed a single factor, and all items loaded highly.
One of the personal items revealed when CNET Googled Mr. Schmidt was a speaker's biography that he had apparently provided the Computer History Museum for a talk he gave four years ago.
In a previous report on this sample, a bifactor model of these sixty-one items revealed one latent factor termed the general distress factor and three specific group factors (hopelessness/suicidal thoughts, generalized worrying, and restlessness/fatigue)34.
When they call in MAKE TIME JUMP / DETECTOR FROM, they are encouraged to collect the items revealed by the other rounds, but not to actually try to build anything yet.
All the items revealed adequate psychometric characteristics in this new analysis.
A reliability test on the seven items revealed a good internal consistency (α = .97).97
None of the items revealed inappropriate psychometric characteristics in this new analysis.
The three-class LCA with the 12 remaining items revealed a better model specification, with a large drop in AIC.
Analysis results of the item analysis, which was show to determine the discrimination of the items, revealed that the total item correlation was between 0.45 and 0.88.
