Number of Control, ISO-1, or ISO-3 Individuals That Were More Passive in the First 5 Min of the Free Play Test Than in the Last 5 Min (i.e., Increased Activity during the Course of the Test), More Passive in the Last 5 Min Than the First (i.e., Decreased Activity during the Test), or Showed the Same Amount (i.e., within 5%) of Time in This Behavior (i.e., Had No Change in Activity during the Test)