Replication of “On the motivational power of pride: a field study with participants in a road–running event”
Last registered on October 04, 2019

Pre-Trial

Trial Information
General Information
Title
Replication of “On the motivational power of pride: a field study with participants in a road–running event”
RCT ID
AEARCTR-0004710
Initial registration date
October 03, 2019
Last updated
October 04, 2019 3:21 PM EDT
Location(s)
Primary Investigator
Affiliation
University of Oxford
Other Primary Investigator(s)
PI Affiliation
University of Oxford
Additional Trial Information
Status
In development
Start date
2019-09-13
End date
2019-11-30
Secondary IDs
Abstract
This is a Pre Analysis Plan (PAP) for the replication of a field study conducted in April 2019, the analysis of which was pre-registered under the title ``On the motivational power of pride: a field study with participants in a road--running event''.

The purpose of the study is to investigate runners' motivation to perform at their best during a running race, as well as the pride they derive from their achievement. Of particular interest to us is the motivation that emerges from perceived threats to one's (self or social) image, triggered by others' assessments: the desire to prove others wrong pushing people to go beyond others' (and possibly, their own) expectations.

In this PAP, we document the main results of our first study as well as the changes in the replication study pertaining to the (1) experimental design, (2) survey questions and (3) empirical analysis. We also detail how we plan to combine the analysis of the two studies.
Registration Citation
Citation
Milligan, Jessica and Severine Toussaert. 2019. "Replication of “On the motivational power of pride: a field study with participants in a road–running event”." AEA RCT Registry. October 04. https://doi.org/10.1257/rct.4710-1.0.
Experimental Details
Interventions
Intervention(s)
We conduct a field experiment with participants in three UK road-running races: the Great Scottish Run Half Marathon (29th September 2019), the Great Birmingham Run (13th October 2019) and the Oxford Half (13th October). We start recruitment from runners registered for the Scottish run (15,000 expected participants) and if necessary we will complete recruitment with the Birmingham event (10,000 expected participants) and Oxford event (7,000 expected participants).

We administer 3 online surveys: the Registration form, the Pre race survey and the Post race survey.
Intervention Start Date
2019-09-26
Intervention End Date
2019-11-30
Primary Outcomes
Primary Outcomes (end points)
- Performance measures: (1) an indicator for whether the participant finished at or under the goal time entered in the pre-race survey and (2) the deviation of chip time from goal time in percentage terms.

- Expected performance: (1) a participant's belief entropy about the likelihood of meeting their goal and (2) their expected finish time.

- Self reported measures of pride: (1) directly reported "pride in the race" and (2) constructed variables "positive pride" and "negative pride" using the Tracy and Robins psychological pride scale (2007).

- Donation decision: an indicator for whether a participant who was in one of the Incentive treatments chose to donate their winnings to charity.
Primary Outcomes (explanation)
Secondary Outcomes
Secondary Outcomes (end points)
- Beliefs in the Pre race survey: participants' beliefs about their chances of meeting their goal before and after the treatment manipulation.

- Beliefs in the Post race survey: runners guesses of the percentage of study participants who met their goal in (i) the treatment they were in and (ii) one other treatment.
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
The experiment has a two by two design, with variations on the message runners receive about their goal time, and the incentive levels they are offered to meet their goal time.

Further details will be available on completion of the study (and are fully outlined in the PAP).
Experimental Design Details
In the Pre race survey, runners are randomized into one of 4 different treatments, which differ in whether (i) we express doubt about their ability to meet their time goal in the race; (ii) we offer them monetary incentives for meeting their goal.

The groups are Control (C), Incentives (I), Pride Message (M) and Pride Message & Incentives (MI). The monetary incentives in the I and PI treatments are cross randomized to be either £10, £20 or £40 Amazon vouchers.

- C: "Good luck with the race! Don't forget to pace yourself. Let's see how things go on Sunday!"

- M: "Good luck with the race! Don't forget to pace yourself. We have to say, we would be surprised if you met your goal of running under hh:mm. Although we're certain you can make it in your dreams ;-) Let's see how things go on Sunday!"

- MI: "Good luck with the race! Don't forget to pace yourself. We have to say, we would be surprised if you met your goal of running under hh:mm. Although we're certain you can make it in your dreams ;-) In fact, we are willing to bet money on your race performance: if we are wrong and you meet your goal, we will send you a £X Amazon gift card by email once you complete the Post race survey. Let's see how things go on Sunday!"

- I: "Good luck with the race! Don't forget to pace yourself. If you meet your goal of running under hh:mm, we will send you a £X Amazon gift card by email once you complete the Post race survey. Let's see how things go on Sunday!"

£X is randomized to be £10, £20 or £40.
Randomization Method
In the Pre race survey, randomization into C or one of the 3 treatment groups is done in Qualtrics; an equal number of survey participants are allocated into each group.

Likewise, the incentive level for the Money and Pride & Money Treatments are also randomized into equal groups offered £10, £20 or £40 by Qualtrics.

In the Post race survey, 50% of participants are informed that if they make correct guesses in some questions, they will be eligible for a £40 prize; this randomisation is also done by Qualtrics.
Randomization Unit
Individual
Was the treatment clustered?
No
Experiment Characteristics
Sample size: planned number of clusters
We want a total of 800 individuals (200 in each treatment group) to complete the full study. We anticipate some attrition between the Registration phase, and the Pre and Post race surveys, hence we aim to over-recruit for the first survey (900).
Sample size: planned number of observations
800 individuals.
Sample size (or number of clusters) by treatment arms
200 in C, and 200 in each of the three treatment groups.
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
With a sample size of 800, we anticipate we will be able to detect a minimum of a 10% difference in those attaining their goal time between treatments (assuming a 45% rate of goal attainment in C). This is at a power of 0.8.
Supporting Documents and Materials

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IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
Department of Economics
IRB Approval Date
2019-08-28
IRB Approval Number
ECONCIA19-20-16
Analysis Plan

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Post-Trial
Post Trial Information
Study Withdrawal
Intervention
Is the intervention completed?
No
Is data collection complete?
Data Publication
Data Publication
Is public data available?
No
Program Files
Program Files
Reports, Papers & Other Materials
Relevant Paper(s)
REPORTS & OTHER MATERIALS