1. 'FCV-19S-J total score, Factor 1 score and Factor 2 scores were significantly different by gender, age group, occupat

[answerhappygod]

1.
'FCV-19S-J total score, Factor 1 score and Factor 2 scores weresignificantly different by gender, age group, occupation, andpsychiatric history' (Midorikawa et al., 2021, p. 5) (Title:Confirming validity of The Fear of COVID-19 Scale in Japanese witha nationwide large-scale sample)
What type of error is NOT possible here?
2. Regarding actual maximum speed, the multiple linearregression analysis, with entering all factors [gender, skilllevel, age and risk-taking behaviour], showed a significant impactof all of them on actual maximum snowboarding speed (Table 2)'(Carus & Castillo, 2021, p. 4).
What type of error might the authors have made?
(Injury prevention: Individual factors affecting adultrecreational snowboarders’ actual and estimated speeds on regularslopes)