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• General Survey Writing Help
  • Getting Started
    • Getting Started with Interviewing
    • Getting Started: 45-Minute Tour of Lighthouse Studio
    • Software Requirements: Users, Servers and Respondents
    • Creating/Opening a Study
  • What's New?
  • Composing Surveys
    • Composing Questions
      • Adding Questions to Your Survey
      • Setting Page Breaks
      • The Start Question
      • Select Questions
      • Grid Questions
      • Numeric Questions
      • Open-End Questions
      • Ranking Questions
      • Semantic Differential
      • Constant Sum Questions
      • Free Format Questions
        • Introduction
        • Radio
        • Checkbox
        • Select (Combo Box)
        • TextArea
        • Text (Text Box)
        • Text (Numeric)
        • Hidden Variables
      • Text Questions
      • Terminate Questions
      • Quota Questions
      • JavaScript in Lighthouse Studio
    • How License Sizes Are Counted
    • What Happens at the End of the Survey?
    • Formatting Options
      • Survey Settings (Style)
        • Style
        • Error Messages
        • Advanced
      • HTML Elements to Enhance Your Survey
      • HTML Cheat-Sheet
      • Custom CSS
      • Graphics Management
    • Survey Flow (Randomization, Skips, Loops)
      • Skip Logic
      • Loops
      • Backing Up and "Limbo" Data
    • Including Graphics
    • List Building
    • Sawtooth Script
      • Displaying Responses Given to Previous Questions
      • Functions
        • List Functions
        • System Functions
        • Quota Control Functions
        • Math Functions
        • Loop Functions
        • String Functions
        • Error Functions
        • CBC Functions
        • ACA Functions
        • CVA Functions
        • MaxDiff Functions
        • ACBC Functions
      • More Detail on Boolean (True/False) Functions
      • Additional Details on Certain Functions
      • Generating Random Numbers
      • Unverified Perl
    • Surveys in Multiple Languages
    • Print Survey
    • Question Library
    • Word Import
    • Find and Replace
  • Respondent Passwords
    • Introduction to Passwords
    • Start Question Layout
    • Password Fields
    • Merged Fields
    • Adding/Importing Password Data
    • Pass-In Fields
    • Cookies and User-Defined Passwords
  • Quota Control
    • Introduction to Quota Control
    • Quota Dialog
    • Advanced Quota Control Settings
    • Prequalification in Quota Control
    • Quota Changes Mid-Study
  • Testing/Running the Survey Locally
    • Testing/Running the Survey Locally
  • Survey Installation on Web Server
    • Web Server Management
    • Manual Upload to Server
    • Deleting Practice Data Prior to Taking the Study "Live"
    • Troubleshooting Server-Side Problems
    • Making Changes after Fielding Begins
  • Data Generator - Generating Test Data
  • How Respondents Access the Web Survey
    • How Respondents Access the Web Survey
    • Respondent Access to Survey
    • Linking to Sawtooth Software's Web Survey from Another Survey Program
  • Offline Surveys
    • Interviewing without an Internet Connection
  • Managing Survey Data
    • Database
    • Admin Module
      • Setting Passwords for Administrative Access
      • Logging On
      • Downloading Survey Data
      • Viewing Survey Data
      • Search
      • Tabulating Data On-Line
      • Downloading Password Report
      • Incompletes Report
      • Test Survey Mode
      • Reset Web Survey
      • Customizing the Administrative Module
    • System Data Fields
  • Accumulate/Export/Edit Data
    • Get Data
    • Export Data
    • Filters, Segments, and Weights
    • Export Data Dialog
      • Multiple Response Question Format
      • Selecting Data to Export
      • List Recode
    • Exporting Open-End Data
    • Viewing/Editing Data
  • Analyzing/Exporting Conjoint Data
    • Analyzing Data with Online Simulator
  • Files created by Lighthouse Studio
    • Files created by Lighthouse Studio
• CBC Help
  • Getting Started with CBC
    • Overview of CBC Software
    • What is Choice-Based Conjoint?
    • CBC Tutorial and Example
  • Designing CBC Studies
    • CBC Questionnaires and Designs
    • Defining Attributes and Levels
    • Specifying Prohibitions
    • Attribute Interactions
    • Design Settings
    • Format Settings
    • Response Type
    • Number of Attributes/Levels/Tasks in CBC
    • None Option/Dual-Response None
    • Specifying Fixed or Holdout Tasks
    • Testing the CBC Design
    • Importing/Exporting CBC Designs
  • Advanced CBC Designs
    • Conditional Pricing for CBC
    • Conditional Display
    • Alternative-Specific Designs
    • Partial-Profile Designs
    • Shelf-Facing Display
    • Customized CBC Questions Using "Free Format"
    • Volumetric CBC
  • CBC Paper-and-Pencil Studies
  • Analyzing the Data
    • Preparing Conjoint Data for Analysis
    • Counting Analysis
    • Estimating Utilities with Logit
      • CBC Logit Settings
    • Estimating Utilities with Latent Class
      • CBC Latent Class Settings
    • Estimating Utilities with HB
      • CBC HB Estimation Settings
    • Moving Data from Lighthouse to SMRT for Analysis
    • .CHO File Format
    • .CHS File Format
• Adaptive CBC (ACBC) Help
  • Getting Started with ACBC
    • Welcome to Adaptive CBC!
    • ACBC Specifications
    • Overview
    • Motivation for Adaptive CBC
    • Sections and Flow for Adaptive CBC
    • Attributes and Levels for Adaptive CBC
    • Design Tab (ACBC)
    • Design Tab--Test Design (ACBC)
    • Price in Adaptive CBC
  • Hands-On Tutorials
    • Tutorial #1 (Beaches)
    • Tutorial #2 (Pianos)
    • Tutorial #3 (Alternative-Specific Design)
  • ACBC Design Algorithms
    • How Concepts Are Chosen
    • Deviation from Target Frequencies
  • Advanced ACBC Surveys
    • Customized (Constructed) Attribute and Level Lists
    • Price Adjustments (Within Summed Pricing)
    • Conditional Display
    • Skipping Sections in ACBC
    • Alternative-Specific Designs
    • Unverified Perl to Customize ACBC Questions
  • Checklist Prior to Fielding
    • Checklist Prior to Fielding
  • Analysis of ACBC Data
    • Counting Analysis for ACBC
    • Coding the Information for Parameter Estimation
    • Modeling the Price Function
    • HB Estimation
    • Interaction Effects
    • Interaction Search Tool
    • Utility Constraints, Including Customized Constraints
    • Monotone Regression (Pure Individual Analysis)
    • Analysis with Tiny Sample Sizes
    • None Threshold & Calibration to Purchase Likelihood
    • Exporting ACBC Data to .CHO File
  • ACBC: How Well Does It Work?
    • References
• MaxDiff Help
  • Getting Started with MaxDiff
    • Introduction
    • Motivation for MaxDiff
    • What is MaxDiff?
    • MaxDiff Tutorial and Example
  • Creating a MaxDiff Experiment
    • Question and Label Text
    • Question Format
    • Developing a List of Items
    • Designing the Study
  • Analyzing MaxDiff Data
    • Counting Analysis
    • Individual-Level Score Estimation
    • Identifying "Bad" Respondents
    • Aggregate Score Estimation via Logit Analysis
    • Finding Segments via Latent Class Analysis
  • Anchored MaxDiff
  • Bandit MaxDiff
    • When to Use Bandit MaxDiff
    • Programming and Fielding a Bandit MaxDiff Study
    • Analysis Options
    • Segment-Based Bandit MaxDiff
    • Technical Details
    • Sample Size for Bandit MaxDiff Studies
    • Boosted Bandit: All Items Shown to Every Respondent
    • Boosted Bandit: Respondents see a Subset of Items
  • Customized MaxDiff Questions with "Free Format"
  • Computing Scores On-The-Fly
  • Paper-and-Pencil Studies
  • MaxDiff Analysis Using CBC/HB v5.x
  • MaxDiff Analysis Using Latent Class v4
  • Robustness of MaxDiff Designs to Prohibitions
• ACA Help
  • Getting Started with ACA
    • Getting Started with ACA
    • What is ACA?
    • Basic Overview of ACA
    • ACA Tutorial and Example
    • Sections and Flow of ACA Questionnaires
    • Defining Attributes and Levels
    • Specifying Prohibitions in ACA
    • Setting ACA Control Parameters
    • How ACA Data Are Stored
    • Computing Utilities and Analyzing ACA Data
    • Is ACA the Appropriate Technique?
    • Staying out of Trouble with ACA
  • Advanced ACA Questionnaires
    • Omitting the "Importance" Question
    • Customizing the "Importance" Question
  • Algorithms and Estimation Techniques
    • Details of ACA Utility Estimation
    • Choosing the Next Paired-Comparison Question
    • Updating Utilities During the Interview
    • ACA/HB Estimation
  • ACA File Formats
    • Format of .UTL and .ACD Files
  • Real-Time Feedback to Respondents
  • Moving Data from Lighthouse to SMRT for Analysis
• CVA Help
  • Getting Started with CVA
    • Introduction to CVA
    • CVA Tutorial and Example
    • Is CVA the Appropriate Technique?
  • Designing/Creating a CVA Study
    • Attributes and Levels
      • Defining Attributes and Levels
      • Level Prohibitions and CVA Studies
    • Designing the CVA Tasks (Questions)
      • Introduction to CVA Questionnaires
      • Advantages and Challenges of CVA Questionnaires
      • Selecting the Number of Tasks
      • Throw out "Obvious" Tasks
      • CVA Design Strategy
      • Testing the CVA Design
      • Importing/Exporting CVA Designs
      • Including Holdout Choice Tasks in CVA Questionnaires
  • CVA/Web Paper and Pencil Studies
    • CVA/Web Paper and Pencil Studies
  • CVA Advanced Designs
    • Conditional Display for CVA
    • Conditional Pricing for CVA
    • Modeling Interaction Effects with CVA
    • Sparse Designs and Large Samples
  • Data Analysis
    • Estimating Part-Worth Utilities
    • CVA Ordinary Least Squares Settings
    • CVA Monotone Regression Settings
  • Technical Details
    • The CVA Designer
    • How CVA Calculates Utilities
    • Avoiding Linear Dependency
  • The CVA/HB Module for HB Estimation
    • What is CVA/HB (hierarchical Bayes for CVA)?
    • Running CVA/HB
    • Using Constraints in CVA/HB
• Appendices for Lighthouse Studio
  • A: Interpreting Conjoint Analysis Data
  • B: Holdout Choice Tasks in Conjoint Studies
• Choice Simulator
  • Introduction
    • What Is a Market (Choice) Simulation?
    • Why Conduct Market Simulations?
    • Typical Questions for Market Simulators
  • Market Simulation Theory and Models
    • Base Case Scenario
    • The Exponent (Scale Factor)
    • The Red-Bus/Blue-Bus Problem
    • Market Simulator Models
    • Sensitivity Analysis
    • External Effects
      • Product Availability (Multi-store)
      • Product Awareness
      • Share Adjustment
    • Interpolating between Levels
    • The "None" Weight
  • Practical Simulation Examples
    • Introduction
    • New Product Introductions
    • Estimating Demand Curves and Elasticities
    • Designing Products to Appeal to Unique Market Segments
    • Solving for a Specific Share
  • Using Filters (Segments) and Weights
    • Creating Segmentation Variables (Filters)
      • Segments/Filters within Lighthouse Studio
      • Segments/Filters within Standalone Choice Simulator
    • Creating Weighting Variables
      • Weights within Lighthouse Studio
      • Weights within Standalone Choice Simulator
  • Product Optimization Searches
    • Introduction
    • Specifying Searches
      • Single Product vs. Multi-Product
      • Search Algorithms
      • Multi-Objective Searches
      • Costs and Profitability
      • Attribute-Based Prices to Improve Searches
    • Search Examples
      • Search Example #1 - No competition
      • Search Example #2 - With competition, share & revenue
      • Search Example #3 - Multiple products simultaneously
      • Search Example #4 - Profit search
      • Search Example #5 - Searches using attribute-based prices
      • Search Example #6 - Multi-objective search
      • Search Example #7 - Maximize appeal subject to minimizing cost
      • Search Example #8 - Minimize cost subject to performance threshold
    • Recommendations
  • Technical Details for Simulations
    • First Choice Method
    • Share of Preference Options
    • Randomized First Choice
    • Purchase Likelihood Option
  • Appendices
    • A: Interpreting Conjoint Analysis Data
    • B: Holdout Choice Tasks in Conjoint Studies
    • C: How the Simulator Interpolates between Levels
    • D: How the Simulator Uses Latent Class Data
    • E: Effective Sample Size
    • F: Importing Conjoint Data from Text-Only Files
    • G: Price & Cost Formulas
  • Dialogs
    • Attribute Information Settings
    • Design Constraints
    • Conditional Pricing
    • Revenue & Cost Tables
    • Utility Report
    • Excel Report Settings
    • PowerPoint Report Settings
    • Create Simulation Package Wizard
    • Create Excel Simulator
    • Randomized First Choice Settings
    • Share of Preference Settings
    • Search Settings
    • Reporting Metrics
    • Exponent Settings
    • Netted Shares
    • Select Scenarios