Dr. Riddlebarger makes plenty of assumptions in that article, but it sounds more like he's trying to convince himself using the reformed position, rather than look at it in context of Acts 1-5. As believers, if we resist the devil he will flee from us. This verse shows that A&S did no such thing...
Act 5:4 Wasn't it yours while you possessed it? And after it was sold, wasn't it at your disposal? Why is it that you planned this thing in your heart? You have not lied to men but to God!"
Act 5:4 Wasn't it yours while you possessed it? And after it was sold, wasn't it at your disposal? Why is it that you planned this thing in your heart? You have not lied to men but to God!"