Summary: Preference Reversals Between Joint And Separate Evaluations Of Options: ...

Read the summary and the most important questions on Preference Reversals Between Joint and Separate Evaluations of Options: A Review and Theoretical Analysis A2MCM

• 1 Introduction

• What does Joint Evaluation Mode (JE) mean?

  Multiple options are presented at the same time and evaluated comparatively.

• What does Separate Evaluation Mode (SE) mean?

  Options are presented in isolation and evaluated seperately.

• Under which circumstances are all judgments and decisions done by people made?

  They are made in JE mode, SE mode or in a combination of these two.

• 2 The Evaluability Hypothesis

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• What is proposed by the authors as an explanation to the JE/SE reversal due to people evaluating options differently and showing reversals of preferences in different circumstances?

  The Evaluability Hypothesis.

• What is the JE/SE reversal that is referred to in the text?

  This is the shift in relative impact of the Easy-to-evaluate attribute and the Difficult-to-evaluate attribute which leads to the latter having a larger impact in JE than in SE.

• 3 Theoretical Level

• What is Evaluability Information which helps the evaluator map a given value of the attribute onto the evaluation scale?

  The evaluability of an attribute is dependent off of the type and amount of information that is available to the evaluators.

• What is the Evaluation Scale? Examples are: rating which option people prefer to accept or reject, for which they would pay more or based which option makes them happier.

  The nature of the response that participants are asked to make.

• What does the Evaluation Mode refer to?

  Joint vs. Separate Evaluations.

• What is considered to be the Neutral reference point of an attribute, when looking at this attribute being evaluated?

  This is the evaluative zero-point (when applicants are told the point that is neither good or bad but below and above do explain good or bad).

• 4 Evaluating an Attribute

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• What are the 3 points that determine whether an attribute is easy or difficult to evaluate?

  1. The evaluability information (dependent off of the context); whether the meaning of GMAT is familiar for evaluators or not; 
     
  2. Attribute can be difficult to evaluate even it the value is given or known; 
  3. Attributes with dichotomous values - attributes have only 2 alternative values and are thus easy to evaluate independently.