Module: Mexico::Constants::ParticipantRoles

Defined in:

lib/mexico/constants.rb

Overview

This module lists all participant roles that are part of the current MExiCo model.

Constant Summary

NAIVE =

A naive participant who does not have additional background information about the experiment

Mexico::FileSystem::ParticipantRole.new :identifier =>'naive',       :name => 'Naive Participant'

CONFEDERATE =

A participant who has been instructed and informed about the experiment in at least one aspect, and who pretends to be naive to other participants

Mexico::FileSystem::ParticipantRole.new :identifier =>'confederate', :name => 'Confederate'

OTHER =

container for all other roles

Mexico::FileSystem::ParticipantRole.new :identifier =>'other-participant-role', :name => 'Other'

ALL =

A collection of all participant roles currently predefined.

Array.new

Class Method Summary

• .get(key) ⇒ Mexico::FileSystem::ParticipantRole^?

  retrieves a participant role object by its key.

• .has?(key) ⇒ true, false

  checks for the existence of a predefined participant role object.

Class Method Details

.get(key) ⇒ Mexico::FileSystem::ParticipantRole^?

retrieves a participant role object by its key.

Parameters:

• key (String) —

  The key of the needed participant role.

Returns:

• (Mexico::FileSystem::ParticipantRole, nil) —

  the participant role object, or nil, if no object was found.

# File 'lib/mexico/constants.rb', line 47

def self.get(key)
  ::Mexico::Constants::ParticipantRoles::ALL.first{ |x| x.identifier==key}  
end

.has?(key) ⇒ true, false

checks for the existence of a predefined participant role object.

Parameters:

• key (String) —

  The key of the needed participant role.

Returns:

• (true, false) —

  true iff such a participant role object exists, false otherwise.

# File 'lib/mexico/constants.rb', line 54

def self.has?(key)
  ::Mexico::Constants::ParticipantRoles::ALL.select{ |x| x.identifier==key}.size>0
end