Here is a reply I wrote to a post addressing this question a few weeks ago. Hope it helps!
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As an instructor, the following has helped my class participants immensely:
Listen closely to the music as it plays in blocks of 8 count beats. There are four sets of 8 count beats in a musical phrase that come around to make a 32 count combination (pattern of choreography). Cathe follows this music phrasing to the letter, even when she is doing moves like a triple step (cha-cha) which is a 3 count move using 2 beats. She will break down her combos on the 8 counts so we can learn the moves, then squeezes out the extra repetitions to make the "finished product" combination totaling 32 counts.
When you get confused, count out the beats as you step and notice your foot placement. This will help when you do moves that face the back wall. I will often count out new moves to my students to help them understand when they will step, when they will lift their knee, when they will straddle the bench, etc. Counting in your head while you are doing videos really does help learn and reinforce the moves. Cathe even counts in some of her videos where she is teaching us moves we haven't done in previous tapes and it really is a lifesaver during confusing choreography.
What usually happens is that people tend to rush their steps and don't finish the previous move before beginning another. Counting helps you finish the current move and transition to the next.
I learned to step with the remote control in my hand, thumb poised on the rewind button! And I never really "got" step until I found Cathe's tapes due to her impeccable cuing. As you stated, practice really does make perfect.
Try it and see if it helps!
-Roe