Comparing apples with oranges

Comparing apples and oranges ...

The most comprehensive and often-cited statistic about the U.S. economy is gross domestic product (GDP), the sum of all goods and services produced in the United States. Estimates of GDP are the featured statistics in the National Income and Product Accounts, the construction of which involves the collection and aggregation of an immense amount of data. In the construction of real GDP, complica...

Comparing apples and oranges.

Comparing Apples with Oranges: Evaluating Twelve Paradigms of Agency

We report on a study in which twelve different paradigms were used to implement agents acting in an environment which borrows elements from artificial life and multi-player strategy games. In choosing the paradigms we strived to maintain a balance between high level, logic based approaches to low level, physics oriented models; between imperative programming, declarative approaches and “learnin...

Cost-effectiveness of smoking cessation modalities: comparing apples with oranges?

BACKGROUND Although the results of self-help and group treatments for smoking cessation are known, the cost effectiveness and participants' characteristics of these treatments remain mostly undetermined. METHODS Consecutive samples of 84 self-help manual requesters and 83 group participants in a Dutch community-based smoking cessation program were subjected to telephone interviews before trea...

Comparing Apples to Apples or Apples to Oranges: The Role of Mental Representation in Choice Difficulty

Representation Concrete Representation Abstract Representation Concrete Representation Noncomparable • Comparable Noncomparable • Comparable Comparing Apples to Apples or Apples to Oranges 509 Moreover, we established that this mediation was indeed significant, because the bias-corrected confidence interval (CI) of the bootstrapping mediation test (Preacher and Hayes 2008) did not include zero ...