old_contents: """
  Names of the modalities
  """
  
  # Set constants of the names of the models so they can always be referenced
  # as variables rather than strings
  
  # Most of the density is at 0
  NEAR_ZERO = '~0'
  
  # Old "middle" modality - most of the density is at 0.5
  NEAR_HALF = 'concurrent'
  
  # Most of the density is at 1
  NEAR_ONE = '~1'
  
  # The density is split between 0 and 1
  BOTH_ONE_ZERO = 'bimodal'
  
  # Cannot decide on one of the above models (the null model fits better) so use
  # this model instead
  NULL_MODEL = 'mixed'
  
new_contents: """
  Names of the modalities
  """
  
  # Set constants of the names of the models so they can always be referenced
  # as variables rather than strings
  
  # Most of the density is at 0
  NEAR_ZERO = '~0'
  
  # Old "middle" modality - most of the density is at 0.5
  NEAR_HALF = 'concurrent'
  
  # Most of the density is at 1
  NEAR_ONE = '~1'
  
  # The density is split between 0 and 1
  BOTH_ONE_ZERO = 'bimodal'
  
  # Cannot decide on one of the above models (the null model fits better) so use
  # this model instead
  NULL_MODEL = 'ambivalent'
  
subject: Change null model name to ambivalent