Question: What can indicate, among other things, the high scores on the F Scale of the Minnesota Multiphasic Personality Inventory (MMPI) ?: 
 Options:  <1> Social desirability and good image intent. <2> A high number of incomplete answers. <3> The degree of sincerity. <4> That the respondent does it at random or with eccentricity. <5> Inconsistency of true answers.
4