C172 INSTRUCTOR PLT COMPLAINS OF POOR TFC SPACING TECHNIQUES AS DISPLAYED; CREATING POTENTIAL GND CONFLICTS AT THE NON TWRED ARPT; 4N1.

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DURING A ROUTINE FLT FROM TEB TO 4N1 TO PRACTICE UNCTLED FIELD ENTRY; APCH AND LNDG; AND TFC PATTERN OPS; WE WERE CLOSELY FOLLOWED BY A SKYLANE. WE ENTERED THE STANDARD PATTERN FOR THE ACTIVE RWY 6; AND EXECUTED A NORMAL LNDG. AS WE SLOWED DOWN TO A SAFE SPD SO AS TO VACATE THE RWY; THE SKYLANE TOUCHED DOWN BEHIND US WITH APPROX 1000 FT OF SEPARATION. THIS WAS A VERY UNSAFE PRACTICE; AND I BELIEVE THAT THE ACTIONS OF THE PLT CONSTITUTED A RWY INCURSION. THE PLT IN QUESTION SHOULD HAVE ELECTED TO GO AROUND; OR SHOULD HAVE MODIFIED HIS OR HER APCH SO AS TO NOT COME CLOSE TO OVERTAKING US ON FINAL. ANY LOSS OF DIRECTIONAL CTL ON OUR PART; PROHIBITING US FROM MAKING A TURN OFF THE RWY FOR EXAMPLE; WOULD HAVE PUT BOTH ACFT DANGEROUSLY CLOSE TO EACH OTHER. FROM EXPERIENCE AT 4N1; I HAVE OBSERVED MANY PLTS TOUCHING DOWN BEFORE THE DISPLACED THRESHOLD; AND ENTERING THE TFC PATTERN IN WHATEVER MANNER FACILITATES THEM THE MOST REGARDLESS OF OTHER ACFT ESTABLISHED. POOR COM SKILLS; LOSS OF SITUATIONAL AWARENESS; BAD JUDGEMENT AND A LACK OF RESPECT FOR THE STANDARD TFC PATTERN LEAD TO SUCH ACTIONS. I BELIEVE A LEVEL OF PATTERN STANDARDIZATION AND PERHAPS SOME ENFORCEMENT WOULD HELP.