Conversation so far:
What happened in the 1964 season to Ara Parseghian?
Ara Parseghian was hired as coach for the Notre Dame football team.
When did The Notre Dame football team get a national title with Ara Parseghian ?
In 1966, Ara Parseghian guided Notre Dame to its first national championship.
did the Norte Dame team do worse in 1964 prior to Ara Parseghian's arrival than previous years?
Ara Parseghian quickly turned things around in 1964; he re-established a sense of confidence and team spirit that had been lost under Joe Kuharich and High Devore.
What was Notre Dame's football team turnaround about with Ara Parseghian?
Practices were carefully planned and organized. Ara Parseghian listened to players' concerns about the program and addressed them.
Who were the players Ara Parseghian brought  in to the Notre Dame football team?
Ara Parseghian invigorated the team's offense by favoring passing and bringing in smaller and quicker players.

Question: did these players improve the team performance?
Self-contained rewrite: did these  smaller and quicker players improve the Notre dame football team performance?