The influence of kill-save ratios and identifiability on moral judgments, Study 1, 2015 (doi:10.5072/FK2/AIVUCU)

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Part 1: Document Description
Part 2: Study Description
Part 3: Data Files Description
Part 4: Variable Description
Part 5: Other Study-Related Materials
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Document Description

Citation

Title:

The influence of kill-save ratios and identifiability on moral judgments, Study 1, 2015

Identification Number:

doi:10.5072/FK2/AIVUCU

Distributor:

Arquivo Português de Informação Social

Date of Distribution:

2025-12-30

Version:

1

Bibliographic Citation:

Costa-Lopes, Rui, 2025, "The influence of kill-save ratios and identifiability on moral judgments, Study 1, 2015", https://doi.org/10.5072/FK2/AIVUCU, Arquivo Português de Informação Social, V1, UNF:6:O/J5FR9z431/YKz6sY3ong== [fileUNF]

Study Description

Citation

Title:

The influence of kill-save ratios and identifiability on moral judgments, Study 1, 2015

Identification Number:

doi:10.5072/FK2/AIVUCU

Authoring Entity:

Costa-Lopes, Rui (Instituto de Ciências Sociais da Universidade de Lisboa)

Distributor:

Arquivo Português de Informação Social

Depositor:

Reis, Madalena

Holdings Information:

https://doi.org/10.5072/FK2/AIVUCU

Study Scope

Keywords:

Social Sciences, Social Sciences, Moral Problems, Decision Making

Topic Classification:

Moral Dilemmas

Abstract:

This database pertains to the first study (Study 1 / 2015) of the research programme entitled: The influence of kill-save ratios and identifiability on moral judgments. Below is the abstract of the research programme: In moral dilemmas, decision-making can be based on more utilitarian or deontological reasoning. In a classical trolley dilemma, the indecision lies between choosing to sacrifice one person to save five (utilitarian decision) vs. not sacrificing a human life in any circumstances (deontological decision). In two experimental studies, we manipulated the number of people to be sacrificed (1 to save 5 vs. 3 to save 5) and whether personalizing information about them was presented. Results provide the first evidence of how the effects of kill-save ratios and identifiability of the potential victims are contingent on one another. Specifically, this research shows that when individuating information about the potential victims is present in a trolley dilemma, participants are more reluctant to sacrifice three persons to save five than to sacrifice one person to save five. When such individuating information is nor present, the acceptability of sacrificing the victims does not depend on their number.

Date of Collection:

2015-05-01-2015-05-30

Unit of Analysis:

Individual

Kind of Data:

Survey data

Methodology and Processing

Time Method:

Cross Sectional

Data Collector:

Costa-Lopes, Rui; Mata, André; Mendonça, Cristina

Sampling Procedure:

Non-probability: Availability

Mode of Data Collection:

Self-administered questionnaire: Web-based (CAWI)

Type of Research Instrument:

Questionnaire.Structured

Sources Statement

Data Access

Notes:

<a href="http://creativecommons.org/publicdomain/zero/1.0">CC0 1.0</a>

Other Study Description Materials

File Description--f38

File: APIS0069_Moral_Judgments_1.tab

  • Number of cases: 152

  • No. of variables per record: 5

  • Type of File: text/tab-separated-values

Notes:

UNF:6:O/J5FR9z431/YKz6sY3ong==

Database pertains to Study 1

Variable Description

List of Variables:

Variables

ResponseID

f38 Location:

Variable Format: character

Notes: UNF:6:8K2eNXgV/tdFvbfjPKxXJw==

AcceptibleToPush

f38 Location:

Summary Statistics: StDev 2.38704386002495; Valid 152.0; Min. 1.0; Mean 5.776315789473684; Max. 9.0;

Variable Format: numeric

Notes: UNF:6:zwCXJeoDnnQhAnKJpfiffQ==

IdentifiedYesNo

f38 Location:

Summary Statistics: Mean 1.493421052631579; Valid 152.0; StDev 0.5016094695589413; Max. 2.0; Min. 1.0

Variable Format: numeric

Notes: UNF:6:vqvBy7N3YdmtB/bZzsfSGA==

SacrifiedOneThree

f38 Location:

Summary Statistics: Min. 1.0; Valid 152.0; Mean 1.513157894736842; StDev 0.5014791644600917; Max. 2.0;

Variable Format: numeric

Notes: UNF:6:gFv0ZeeluxVC86Y0yBL5JA==

availableWidth

f38 Location:

Summary Statistics: Valid 152.0; StDev 515.2103983565984; Mean 1144.0197368421052; Min. 320.0; Max. 2560.0;

Variable Format: numeric

Notes: UNF:6:wBm64UzsGy93JHr4Zdvw0A==

Other Study-Related Materials

Label:

APIS0069_Support_Information.pdf

Text:

This document details important information about the two databases related with the study entitled: The influence of kill-save ratios and identifiability on moral judgments.

Notes:

application/pdf