| paper_id | mayetal2010practicalinterestsrelevant |
|---|---|
| short_label | May et al. 2010 |
| citation | May, J., Sinnott-Armstrong, W., Hull, J. G., & Zimmerman, A. (2010). Practical Interests, Relevant Alternatives, and Knowledge Attributions: an Empirical Study. Review of Philosophy and Psychology. |
| doi | 10.1007/s13164-009-0014-3 |
| year | 2010 |
| published | Yes |
| language | English |
| language_other | — |
| research_objective | Experimentally test empirical claims attributed to Stanley and Schaffer about bank-case knowledge attributions, by manipulating stakes and (separately) the mention of a relevant alternative, and measuring agreement with a knowledge attribution. |
| data_available_online | — |
| data_url | — |
| notes | — |
| study_id | 1 |
|---|---|
| label | Between-Subjects Experiment: Stakes and Alternatives |
| objective | Test whether stakes (low vs high) and mentioning a relevant alternative (possibility of error mentioned or not) affect agreement with the statement that Hannah knows the bank will be open on Saturday (2×2 between-subjects). |
| design | Between-Subjects |
| design_other | 2 (stakes: low vs high) × 2 (alternative mention: possibility of error mentioned vs not) between-subjects. |
| manipulated_factors | Alternative mention: possibility of error mentioned or not |
| paradigm | Agreement with knowledge claim |
| paradigm_other | — |
| notes | — |
| n_final | 241 |
|---|---|
| recruitment | students |
| recruitment_other | — |
| compensation | — |
| compensation_other | — |
| characteristics | University students (primarily 18–24 years old) at the University of California, Santa Barbara. |
| mean_age | — |
| page | — |
|---|---|
| table_ref | — |
| tei_id | — |
| label | Likert 7-point |
|---|---|
| points | 7 |
| anchors | 1 = strongly disagree; 4 = neither agree nor disagree; 7 = strongly agree |
| direction | Higher numbers indicate stronger agreement with the knowledge attribution. |
| page | — |
|---|---|
| table_ref | — |
| tei_id | — |
| knowledge_question_text | Please check one box to indicate how strongly you agree or disagree with this statement: "Hannah knows that the bank will be open on Saturday". |
|---|---|
| knowledge_question_first | — |
| additional_question_text | — |
bank · Bank deposit / bank-hours vignette (Stanley/DeRose-style bank cases).| scenario_code | bank |
|---|---|
| scenario_type | Bank deposit / bank-hours vignette (Stanley/DeRose-style bank cases). |
| page | — |
|---|---|
| table_ref | — |
| tei_id | — |
s1_e1 · No Alternative (LS-NA vs HS-NA) · Between-Subjects · d=0.153717086218 · v=0.033159390561| effect_id | s1_e1 |
|---|---|
| subgroup | No Alternative (LS-NA vs HS-NA) |
| subgroup_desc | Agreement with knowledge attribution; no alternative mentioned |
| design | Between-Subjects |
| design_other | — |
| quality_flags | — |
| notes | — |
| metric | SMD |
|---|---|
| d | 0.153717086218 |
| v | 0.033159390561 |
| computed_from | groups |
| needs_review | false |
| notes | Computed from XLS raw-data group stats in analysis/effect_sizes.qmd (method=between_groups). |
| scenario | bank |
|---|---|
| skeptical_pressure | No |
| awareness | Yes |
| evidence | First Person |
| attribution_person | Other |
| evidence_reliability | — |
| group_high | HS_NA |
|---|---|
| group_low | LS_NA |
| sign_convention | d = mean(low) - mean(high) |
| other_notes | No-alternative comparison (LS-NA vs HS-NA). |
| moderator | value | reason | evidence | ||||||
|---|---|---|---|---|---|---|---|---|---|
scenario | bank | The probe and vignette are about the bank being open on Saturday (bank-hours case). | Provenance
"Hannah knows that the bank will be open on Saturday". | ||||||
skeptical_pressure | No | No explicit counterconsideration/error possibility is raised in the No-Alternative scenarios. | Provenance
Low Stakes-No Alternative (LS-NA)... Hannah says, "I know the bank will be open tomorrow." | ||||||
awareness | Yes | The stakes are described as facts about the situation (implying the protagonist is aware of them). | Provenance
High Stakes-No Alternative (HS-NA): "Since they have an impending bill coming due... it is very important that they deposit their paychecks by Saturday." | ||||||
evidence | First Person | The agent’s evidence is her own recent experience/memory (first-person evidence). | Provenance
Hannah notes that she was at the bank 2 weeks before on a Saturday morning, and it was open. | ||||||
attribution_person | Other | Participants judge whether Hannah knows (third-person attribution), not whether a first-person 'I know' claim is true. | Provenance
"Hannah knows that the bank will be open on Saturday". | ||||||
evidence_reliability | — | Reliability of the evidence source is not meaningfully specified/manipulated; coded as null. | Provenance
Hannah notes that she was at the bank 2 weeks before on a Saturday morning, and it was open. |
| group_id | label | n | mean | sd | se | provenance | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
LS_NA | Low stakes, no alternative (LS-NA) | 60 | 5.33333333333333 | 1.79137923065514 | — | Provenance
Computed from raw responses in 'May et al. KPI Data - Between-Subjects (Exp 1).xls' (sheet 'v.6.0a2 (LS-NA)', column 'Agree?'). | ||||||
HS_NA | High stakes, no alternative (HS-NA) | 61 | 5.0655737704918 | 1.69183187166078 | — | Provenance
Computed from raw responses in 'May et al. KPI Data - Between-Subjects (Exp 1).xls' (sheet 'v.6.0b2 (HS-NA)', column 'Agree?'). |
| test | F |
|---|---|
| t | — |
| f | 4.36 |
| chi2 | — |
| z | — |
| df1 | 1 |
| df2 | 237 |
| p | 0.04 |
| reported_d | — |
| reported_r | — |
| notes | Omnibus 2×2 ANOVA main effect of Stakes (across Alternative levels). |
| page | — |
|---|---|
| table_ref | — |
| tei_id | — |
s1_e2 · Alternative Mentioned (LS-A vs HS-A) · Between-Subjects · d=0.377843131602 · v=0.033938271605| effect_id | s1_e2 |
|---|---|
| subgroup | Alternative Mentioned (LS-A vs HS-A) |
| subgroup_desc | Agreement with knowledge attribution; alternative mentioned |
| design | Between-Subjects |
| design_other | — |
| quality_flags | — |
| notes | — |
| metric | SMD |
|---|---|
| d | 0.377843131602 |
| v | 0.033938271605 |
| computed_from | groups |
| needs_review | false |
| notes | Computed from XLS raw-data group stats in analysis/effect_sizes.qmd (method=between_groups). |
| scenario | bank |
|---|---|
| skeptical_pressure | Yes |
| awareness | Yes |
| evidence | First Person |
| attribution_person | Other |
| evidence_reliability | — |
| group_high | HS_A |
|---|---|
| group_low | LS_A |
| sign_convention | d = mean(low) - mean(high) |
| other_notes | Alternative-mentioned comparison (LS-A vs HS-A). |
| moderator | value | reason | evidence | ||||||
|---|---|---|---|---|---|---|---|---|---|
scenario | bank | The probe and vignette are about the bank being open on Saturday (bank-hours case). | Provenance
"Hannah knows that the bank will be open on Saturday". | ||||||
skeptical_pressure | Yes | The alternative condition explicitly raises a relevant alternative possibility about bank hours. | Provenance
Low Stakes-Alternative (LS-A): "Sarah points out that banks do change their hours." | ||||||
awareness | Yes | The stakes are described as facts about the situation (implying the protagonist is aware of them). | Provenance
High Stakes-Alternative (HS-A): "Since they have an impending bill coming due... it is very important that they deposit their paychecks by Saturday." | ||||||
evidence | First Person | The agent’s evidence is her own recent experience/memory (first-person evidence). | Provenance
Hannah notes that she was at the bank 2 weeks before on a Saturday morning, and it was open. | ||||||
attribution_person | Other | Participants judge whether Hannah knows (third-person attribution), not whether a first-person 'I know' claim is true. | Provenance
"Hannah knows that the bank will be open on Saturday". | ||||||
evidence_reliability | — | Reliability of the evidence source is not meaningfully specified/manipulated; coded as null. | Provenance
Hannah notes that she was at the bank 2 weeks before on a Saturday morning, and it was open. |
| group_id | label | n | mean | sd | se | provenance | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
LS_A | Low stakes + alternative (LS-A) | 60 | 5.3 | 1.82543238434912 | — | Provenance
Computed from raw responses in 'May et al. KPI Data - Between-Subjects (Exp 1).xls' (sheet 'v.6.0a1 (LS-A)', column 'Agree?'). | ||||||
HS_A | High stakes + alternative (HS-A) | 60 | 4.6 | 1.87941570436945 | — | Provenance
Computed from raw responses in 'May et al. KPI Data - Between-Subjects (Exp 1).xls' (sheet 'v.6.0b1 (HS-A)', column 'Agree?'). |
| test | F |
|---|---|
| t | — |
| f | 4.36 |
| chi2 | — |
| z | — |
| df1 | 1 |
| df2 | 237 |
| p | 0.04 |
| reported_d | — |
| reported_r | — |
| notes | Omnibus 2×2 ANOVA main effect of Stakes (across Alternative levels). Paper also reports: Alternative main effect F(1,237)=1.16, p>.25; interaction F(1,237)=0.87, p>.25. |
| page | — |
|---|---|
| table_ref | — |
| tei_id | — |
| study_id | 2 |
|---|---|
| label | Within-Subjects Experiment: Stakes and Order |
| objective | Test whether presenting LS-NA and HS-A to the same participants changes knowledge attributions (and whether presentation order matters), using the same agreement measure as Study 1. |
| design | — |
| design_other | Mixed: within-subject stakes comparison (LS-NA vs HS-A) and between-subjects order manipulation (LS-HS vs HS-LS). |
| manipulated_factors | Order of presentation: LS-NA first vs HS-A first |
| paradigm | Agreement with knowledge claim |
| paradigm_other | — |
| notes | — |
| n_final | 298 |
|---|---|
| recruitment | students |
| recruitment_other | — |
| compensation | — |
| compensation_other | — |
| characteristics | University students (primarily 18–24 years old). |
| mean_age | — |
| page | — |
|---|---|
| table_ref | — |
| tei_id | — |
| label | Likert 7-point |
|---|---|
| points | 7 |
| anchors | 1 = strongly disagree; 4 = neither agree nor disagree; 7 = strongly agree |
| direction | Higher numbers indicate stronger agreement with the knowledge attribution. |
| page | — |
|---|---|
| table_ref | — |
| tei_id | — |
| knowledge_question_text | Please check one box to indicate how strongly you agree or disagree with this statement: "Hannah knows that the bank will be open on Saturday". |
|---|---|
| knowledge_question_first | — |
| additional_question_text | — |
bank · Bank deposit / bank-hours vignette; juxtaposed LS-NA and HS-A (Stanley's original pair).| scenario_code | bank |
|---|---|
| scenario_type | Bank deposit / bank-hours vignette; juxtaposed LS-NA and HS-A (Stanley's original pair). |
| page | — |
|---|---|
| table_ref | — |
| tei_id | — |
s2_e1 · Juxtaposed (LS-NA vs HS-A; both orders) · Within-Subjects · d=0.388549287526 · v=0.002733530591| effect_id | s2_e1 |
|---|---|
| subgroup | Juxtaposed (LS-NA vs HS-A; both orders) |
| subgroup_desc | Agreement with knowledge attribution; within-subject |
| design | Within-Subjects |
| design_other | — |
| quality_flags | — |
| notes | — |
| metric | SMD |
|---|---|
| d | 0.388549287526 |
| v | 0.002733530591 |
| computed_from | groups |
| needs_review | false |
| notes | Computed from pooled within-subject raw-data summaries in analysis/effect_sizes.qmd (method=within_smcrp_r; r_within computed from data). |
| scenario | bank |
|---|---|
| skeptical_pressure | Yes |
| awareness | Yes |
| evidence | First Person |
| attribution_person | Other |
| evidence_reliability | — |
| group_high | HS_A |
|---|---|
| group_low | LS_NA |
| sign_convention | d = mean(low) - mean(high) |
| other_notes | Within-subject comparison uses Stanley-style pair (LS-NA vs HS-A), which also changes whether an alternative is mentioned (only HS-A mentions an alternative). |
| moderator | value | reason | evidence | ||||||
|---|---|---|---|---|---|---|---|---|---|
scenario | bank | The probe and vignettes are about the bank being open on Saturday (bank-hours case). | Provenance
"Hannah knows that the bank will be open on Saturday". | ||||||
skeptical_pressure | Yes | The high-stakes vignette (HS-A) explicitly raises a relevant alternative possibility about bank hours. | Provenance
High Stakes-Alternative (HS-A): "Sarah points out that banks do change their hours." | ||||||
awareness | Yes | The stakes are described as facts about the situation (implying the protagonist is aware of them). | Provenance
High Stakes-Alternative (HS-A): "Since they have an impending bill coming due... it is very important that they deposit their paychecks by Saturday." | ||||||
evidence | First Person | The agent’s evidence is her own recent experience/memory (first-person evidence). | Provenance
Hannah notes that she was at the bank 2 weeks before on a Saturday morning, and it was open. | ||||||
attribution_person | Other | Participants judge whether Hannah knows (third-person attribution), not whether a first-person 'I know' claim is true. | Provenance
"Hannah knows that the bank will be open on Saturday". | ||||||
evidence_reliability | — | Reliability of the evidence source is not meaningfully specified/manipulated; coded as null. | Provenance
Hannah notes that she was at the bank 2 weeks before on a Saturday morning, and it was open. |
| group_id | label | n | mean | sd | se | provenance | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
LS_NA | Low stakes, no alternative (LS-NA) | 298 | 5.13422818791946 | 1.74910354382301 | — | Provenance
Computed from raw responses in 'May et al. KPI Data - Within-Subjects (Exp 2).xls' (pooled across orders by aligning low-stakes responses). | ||||||
HS_A | High stakes + alternative (HS-A) | 298 | 4.41610738255034 | 1.9422666169519 | — | Provenance
Computed from raw responses in 'May et al. KPI Data - Within-Subjects (Exp 2).xls' (pooled across orders by aligning high-stakes responses). |
| test | F |
|---|---|
| t | — |
| f | 57.2 |
| chi2 | — |
| z | — |
| df1 | 1 |
| df2 | 296 |
| p | — |
| reported_d | — |
| reported_r | — |
| notes | Mixed ANOVA main effect of Stakes reported as p<.001 (order and interaction effects also reported in text). |
| page | — |
|---|---|
| table_ref | — |
| tei_id | — |
schema_version: "1.1"
paper:
paper_id: mayetal2010practicalinterestsrelevant
citation: "May, J., Sinnott-Armstrong, W., Hull, J. G., & Zimmerman, A. (2010). Practical Interests, Relevant Alternatives, and Knowledge Attributions: an Empirical Study. Review of Philosophy and Psychology."
short_label: "May et al. 2010"
doi: "10.1007/s13164-009-0014-3"
published: "Yes"
year: 2010
language: "English"
language_other: null
research_objective: "Experimentally test empirical claims attributed to Stanley and Schaffer about bank-case knowledge attributions, by manipulating stakes and (separately) the mention of a relevant alternative, and measuring agreement with a knowledge attribution."
data_availability:
data_available_online: null
url: null
notes: "Project-provided raw data spreadsheets (XLS) were available locally and used to compute group summaries and effect sizes; see REPORT.md."
notes: null
studies:
- study_id: 1
label: "Between-Subjects Experiment: Stakes and Alternatives"
objective: "Test whether stakes (low vs high) and mentioning a relevant alternative (possibility of error mentioned or not) affect agreement with the statement that Hannah knows the bank will be open on Saturday (2×2 between-subjects)."
sample:
n_final: 241
recruitment: students
recruitment_other: null
compensation: null
compensation_other: null
characteristics: "University students (primarily 18–24 years old) at the University of California, Santa Barbara."
provenance:
page: null
quote: "In our first experiment, we randomly distributed all four of our scenarios to university students (primarily 18-24 years old)... We collected 241 responses-about 60 responses per scenario."
tei_id: null
table_ref: null
design: "Between-Subjects"
design_other: "2 (stakes: low vs high) × 2 (alternative mention: possibility of error mentioned vs not) between-subjects."
manipulated_factors:
- "Alternative mention: possibility of error mentioned or not"
paradigm: "Agreement with knowledge claim"
paradigm_other: null
scale:
label: "Likert 7-point"
points: 7
anchors: "1 = strongly disagree; 4 = neither agree nor disagree; 7 = strongly agree"
direction: "Higher numbers indicate stronger agreement with the knowledge attribution."
provenance:
page: null
quote: "Responses were given on a 7-point Likert scale: strongly agree (7)... neither agree nor disagree (4)... strongly disagree (1)."
tei_id: null
table_ref: null
measures:
knowledge_question_text: "Please check one box to indicate how strongly you agree or disagree with this statement: \"Hannah knows that the bank will be open on Saturday\"."
knowledge_question_first: null
additional_question_text: null
scenarios:
- scenario_code: bank
scenario_type: "Bank deposit / bank-hours vignette (Stanley/DeRose-style bank cases)."
high_stakes_text: "High-stakes variants: impending bill; very important to deposit paychecks by Saturday; sometimes (Alternative condition) also includes: \"banks do change their hours\"."
low_stakes_text: "Low-stakes variants: no impending bills; not important to deposit right away; sometimes (Alternative condition) also includes: \"banks do change their hours\"."
provenance:
page: null
quote: "High Stakes-No Alternative: \"Since they have an impending bill coming due... it is very important that they deposit their paychecks by Saturday.\" Alternative versions add: \"Sarah points out that banks do change their hours.\""
tei_id: null
table_ref: null
effects:
- effect_id: s1_e1
subgroup: "No Alternative (LS-NA vs HS-NA)"
subgroup_desc: "Agreement with knowledge attribution; no alternative mentioned"
design: "Between-Subjects"
design_other: null
moderators:
scenario: bank
skeptical_pressure: "No"
awareness: "Yes"
evidence: "First Person"
attribution_person: "Other"
evidence_reliability: null
moderators_coding:
scenario:
provenance:
page: null
quote: "\"Hannah knows that the bank will be open on Saturday\"."
tei_id: null
table_ref: null
reason: "The probe and vignette are about the bank being open on Saturday (bank-hours case)."
skeptical_pressure:
provenance:
page: null
quote: "Low Stakes-No Alternative (LS-NA)... Hannah says, \"I know the bank will be open tomorrow.\""
tei_id: null
table_ref: null
reason: "No explicit counterconsideration/error possibility is raised in the No-Alternative scenarios."
awareness:
provenance:
page: null
quote: "High Stakes-No Alternative (HS-NA): \"Since they have an impending bill coming due... it is very important that they deposit their paychecks by Saturday.\""
tei_id: null
table_ref: null
reason: "The stakes are described as facts about the situation (implying the protagonist is aware of them)."
evidence:
provenance:
page: null
quote: "Hannah notes that she was at the bank 2 weeks before on a Saturday morning, and it was open."
tei_id: null
table_ref: null
reason: "The agent’s evidence is her own recent experience/memory (first-person evidence)."
attribution_person:
provenance:
page: null
quote: "\"Hannah knows that the bank will be open on Saturday\"."
tei_id: null
table_ref: null
reason: "Participants judge whether Hannah knows (third-person attribution), not whether a first-person 'I know' claim is true."
evidence_reliability:
provenance:
page: null
quote: "Hannah notes that she was at the bank 2 weeks before on a Saturday morning, and it was open."
tei_id: null
table_ref: null
reason: "Reliability of the evidence source is not meaningfully specified/manipulated; coded as null."
contrast:
group_high: HS_NA
group_low: LS_NA
sign_convention: "d = mean(low) - mean(high)"
other_notes: "No-alternative comparison (LS-NA vs HS-NA)."
groups:
- group_id: LS_NA
label: "Low stakes, no alternative (LS-NA)"
n: 60
mean: 5.33333333333333
sd: 1.79137923065514
se: null
provenance:
page: null
quote: "Computed from raw responses in 'May et al. KPI Data - Between-Subjects (Exp 1).xls' (sheet 'v.6.0a2 (LS-NA)', column 'Agree?')."
tei_id: null
table_ref: "May et al. KPI Data - Between-Subjects (Exp 1).xls"
- group_id: HS_NA
label: "High stakes, no alternative (HS-NA)"
n: 61
mean: 5.0655737704918
sd: 1.69183187166078
se: null
provenance:
page: null
quote: "Computed from raw responses in 'May et al. KPI Data - Between-Subjects (Exp 1).xls' (sheet 'v.6.0b2 (HS-NA)', column 'Agree?')."
tei_id: null
table_ref: "May et al. KPI Data - Between-Subjects (Exp 1).xls"
reported_test:
test: "F"
t: null
f: 4.36
chi2: null
z: null
df1: 1
df2: 237
p: 0.04
reported_d: null
reported_r: null
notes: "Omnibus 2×2 ANOVA main effect of Stakes (across Alternative levels)."
provenance:
page: null
quote: "An analysis of variance... revealed a significant main effect of the Stakes variable F(1,237)=4.36, p=.04."
tei_id: null
table_ref: null
effect_size:
metric: SMD
d: 0.153717086218
v: 0.033159390561
computed_from: groups
needs_review: false
notes: "Computed from XLS raw-data group stats in analysis/effect_sizes.qmd (method=between_groups)."
quality_flags: []
notes: null
- effect_id: s1_e2
subgroup: "Alternative Mentioned (LS-A vs HS-A)"
subgroup_desc: "Agreement with knowledge attribution; alternative mentioned"
design: "Between-Subjects"
design_other: null
moderators:
scenario: bank
skeptical_pressure: "Yes"
awareness: "Yes"
evidence: "First Person"
attribution_person: "Other"
evidence_reliability: null
moderators_coding:
scenario:
provenance:
page: null
quote: "\"Hannah knows that the bank will be open on Saturday\"."
tei_id: null
table_ref: null
reason: "The probe and vignette are about the bank being open on Saturday (bank-hours case)."
skeptical_pressure:
provenance:
page: null
quote: "Low Stakes-Alternative (LS-A): \"Sarah points out that banks do change their hours.\""
tei_id: null
table_ref: null
reason: "The alternative condition explicitly raises a relevant alternative possibility about bank hours."
awareness:
provenance:
page: null
quote: "High Stakes-Alternative (HS-A): \"Since they have an impending bill coming due... it is very important that they deposit their paychecks by Saturday.\""
tei_id: null
table_ref: null
reason: "The stakes are described as facts about the situation (implying the protagonist is aware of them)."
evidence:
provenance:
page: null
quote: "Hannah notes that she was at the bank 2 weeks before on a Saturday morning, and it was open."
tei_id: null
table_ref: null
reason: "The agent’s evidence is her own recent experience/memory (first-person evidence)."
attribution_person:
provenance:
page: null
quote: "\"Hannah knows that the bank will be open on Saturday\"."
tei_id: null
table_ref: null
reason: "Participants judge whether Hannah knows (third-person attribution), not whether a first-person 'I know' claim is true."
evidence_reliability:
provenance:
page: null
quote: "Hannah notes that she was at the bank 2 weeks before on a Saturday morning, and it was open."
tei_id: null
table_ref: null
reason: "Reliability of the evidence source is not meaningfully specified/manipulated; coded as null."
contrast:
group_high: HS_A
group_low: LS_A
sign_convention: "d = mean(low) - mean(high)"
other_notes: "Alternative-mentioned comparison (LS-A vs HS-A)."
groups:
- group_id: LS_A
label: "Low stakes + alternative (LS-A)"
n: 60
mean: 5.3
sd: 1.82543238434912
se: null
provenance:
page: null
quote: "Computed from raw responses in 'May et al. KPI Data - Between-Subjects (Exp 1).xls' (sheet 'v.6.0a1 (LS-A)', column 'Agree?')."
tei_id: null
table_ref: "May et al. KPI Data - Between-Subjects (Exp 1).xls"
- group_id: HS_A
label: "High stakes + alternative (HS-A)"
n: 60
mean: 4.6
sd: 1.87941570436945
se: null
provenance:
page: null
quote: "Computed from raw responses in 'May et al. KPI Data - Between-Subjects (Exp 1).xls' (sheet 'v.6.0b1 (HS-A)', column 'Agree?')."
tei_id: null
table_ref: "May et al. KPI Data - Between-Subjects (Exp 1).xls"
reported_test:
test: "F"
t: null
f: 4.36
chi2: null
z: null
df1: 1
df2: 237
p: 0.04
reported_d: null
reported_r: null
notes: "Omnibus 2×2 ANOVA main effect of Stakes (across Alternative levels). Paper also reports: Alternative main effect F(1,237)=1.16, p>.25; interaction F(1,237)=0.87, p>.25."
provenance:
page: null
quote: "An analysis of variance... revealed a significant main effect of the Stakes variable F(1,237)=4.36, p=.04... alternative... did not have a significant effect... (F(1,237)=1.16, p>.25), nor did the two variables interact (F(1,237)=.87, p>.25)."
tei_id: null
table_ref: null
effect_size:
metric: SMD
d: 0.377843131602
v: 0.033938271605
computed_from: groups
needs_review: false
notes: "Computed from XLS raw-data group stats in analysis/effect_sizes.qmd (method=between_groups)."
quality_flags: []
notes: null
- study_id: 2
label: "Within-Subjects Experiment: Stakes and Order"
objective: "Test whether presenting LS-NA and HS-A to the same participants changes knowledge attributions (and whether presentation order matters), using the same agreement measure as Study 1."
sample:
n_final: 298
recruitment: students
recruitment_other: null
compensation: null
compensation_other: null
characteristics: "University students (primarily 18–24 years old)."
provenance:
page: null
quote: "We collected responses from 298 university students, about half in each ordering."
tei_id: null
table_ref: null
design: null
design_other: "Mixed: within-subject stakes comparison (LS-NA vs HS-A) and between-subjects order manipulation (LS-HS vs HS-LS)."
manipulated_factors:
- "Order of presentation: LS-NA first vs HS-A first"
paradigm: "Agreement with knowledge claim"
paradigm_other: null
scale:
label: "Likert 7-point"
points: 7
anchors: "1 = strongly disagree; 4 = neither agree nor disagree; 7 = strongly agree"
direction: "Higher numbers indicate stronger agreement with the knowledge attribution."
provenance:
page: null
quote: "We also used the same 7-point Likert scale for tracking subjects' responses."
tei_id: null
table_ref: null
measures:
knowledge_question_text: "Please check one box to indicate how strongly you agree or disagree with this statement: \"Hannah knows that the bank will be open on Saturday\"."
knowledge_question_first: null
additional_question_text: null
scenarios:
- scenario_code: bank
scenario_type: "Bank deposit / bank-hours vignette; juxtaposed LS-NA and HS-A (Stanley's original pair)."
high_stakes_text: "HS-A includes high stakes plus mention of a relevant alternative (\"banks do change their hours\")."
low_stakes_text: "LS-NA includes low stakes and no mention of a relevant alternative."
provenance:
page: null
quote: "We used only the two scenarios that most closely match Stanley's (LS-NA and HS-A), and both scenarios were presented to each subject."
tei_id: null
table_ref: null
effects:
- effect_id: s2_e1
subgroup: "Juxtaposed (LS-NA vs HS-A; both orders)"
subgroup_desc: "Agreement with knowledge attribution; within-subject"
design: "Within-Subjects"
design_other: null
moderators:
scenario: bank
skeptical_pressure: "Yes"
awareness: "Yes"
evidence: "First Person"
attribution_person: "Other"
evidence_reliability: null
moderators_coding:
scenario:
provenance:
page: null
quote: "\"Hannah knows that the bank will be open on Saturday\"."
tei_id: null
table_ref: null
reason: "The probe and vignettes are about the bank being open on Saturday (bank-hours case)."
skeptical_pressure:
provenance:
page: null
quote: "High Stakes-Alternative (HS-A): \"Sarah points out that banks do change their hours.\""
tei_id: null
table_ref: null
reason: "The high-stakes vignette (HS-A) explicitly raises a relevant alternative possibility about bank hours."
awareness:
provenance:
page: null
quote: "High Stakes-Alternative (HS-A): \"Since they have an impending bill coming due... it is very important that they deposit their paychecks by Saturday.\""
tei_id: null
table_ref: null
reason: "The stakes are described as facts about the situation (implying the protagonist is aware of them)."
evidence:
provenance:
page: null
quote: "Hannah notes that she was at the bank 2 weeks before on a Saturday morning, and it was open."
tei_id: null
table_ref: null
reason: "The agent’s evidence is her own recent experience/memory (first-person evidence)."
attribution_person:
provenance:
page: null
quote: "\"Hannah knows that the bank will be open on Saturday\"."
tei_id: null
table_ref: null
reason: "Participants judge whether Hannah knows (third-person attribution), not whether a first-person 'I know' claim is true."
evidence_reliability:
provenance:
page: null
quote: "Hannah notes that she was at the bank 2 weeks before on a Saturday morning, and it was open."
tei_id: null
table_ref: null
reason: "Reliability of the evidence source is not meaningfully specified/manipulated; coded as null."
contrast:
group_high: HS_A
group_low: LS_NA
sign_convention: "d = mean(low) - mean(high)"
other_notes: "Within-subject comparison uses Stanley-style pair (LS-NA vs HS-A), which also changes whether an alternative is mentioned (only HS-A mentions an alternative)."
groups:
- group_id: LS_NA
label: "Low stakes, no alternative (LS-NA)"
n: 298
mean: 5.13422818791946
sd: 1.74910354382301
se: null
provenance:
page: null
quote: "Computed from raw responses in 'May et al. KPI Data - Within-Subjects (Exp 2).xls' (pooled across orders by aligning low-stakes responses)."
tei_id: null
table_ref: "May et al. KPI Data - Within-Subjects (Exp 2).xls"
- group_id: HS_A
label: "High stakes + alternative (HS-A)"
n: 298
mean: 4.41610738255034
sd: 1.9422666169519
se: null
provenance:
page: null
quote: "Computed from raw responses in 'May et al. KPI Data - Within-Subjects (Exp 2).xls' (pooled across orders by aligning high-stakes responses)."
tei_id: null
table_ref: "May et al. KPI Data - Within-Subjects (Exp 2).xls"
reported_test:
test: "F"
t: null
f: 57.2
chi2: null
z: null
df1: 1
df2: 296
p: null
reported_d: null
reported_r: null
notes: "Mixed ANOVA main effect of Stakes reported as p<.001 (order and interaction effects also reported in text)."
provenance:
page: null
quote: "Stakes main effect: F(1,296)=57.20, p<.001. Order effect: F(1,296)=13.51, p<.001. Interaction: F(1,296)=11.50, p<.001."
tei_id: null
table_ref: null
effect_size:
metric: SMD
d: 0.388549287526
v: 0.002733530591
computed_from: groups
needs_review: false
notes: "Computed from pooled within-subject raw-data summaries in analysis/effect_sizes.qmd (method=within_smcrp_r; r_within computed from data)."
quality_flags: []
notes: null