gistfile1.txt

class Survey < ActiveRecord::Base
  acts_as_paranoid
  include Importable

  ###### Associations ########
  belongs_to :project
  belongs_to :publication, counter_cache: true
  belongs_to :site
  belongs_to :location_type, :class_name => ListItem, :foreign_key => "location_type_id" 
  belongs_to :study_design, :class_name => ListItem, :foreign_key => "study_design_id" 
  belongs_to :intervention_status, :class_name => ListItem, :foreign_key => "intervention_status_id" 
  belongs_to :gender, :class_name => ListItem, :foreign_key => "gender_id" 
  belongs_to :time_of_day, :class_name => ListItem, :foreign_key => "time_of_day_id" 
  has_many :outcomes, dependent: :destroy
...