This ENGINEIDLINGreadme.txt file was generated on 2020-01-24th by F. Lalot ------------------- GENERAL INFORMATION ------------------- 1. Title of Dataset : Engine idling dataset 2. Author Information Principal Investigator Contact Information Name: Dominic Abrams Institution: University of Kent Address: Canterbury, UK Email: d.abrams@kent.ac.uk Alternate Contact Information Name: Tim Hopthrow Institution: University of Kent Address: Canterbury, UK Email: t.hopthrow@kent.ac.uk 3. Date of data collection (single date, range, approximate date) 2018-07-01st to 2018-08-01st 4. Geographic location of data collection (where was data collected?): Canterbury, Kent, UK 5. Information about funding sources that supported the collection of the data: UK Department for the Environment --------------------- DATA & FILE OVERVIEW --------------------- 1. File List A. Filename: engineidling_dataset_public.xlsx Short description: This file contains the data of the field experiment described in the paper, "Cleaning up our acts: Psychological interventions to reduce engine idling and improve air quality" 2. Are there multiple versions of the dataset? no ----------------------------------------- DATA-SPECIFIC INFORMATION FOR: [FILENAME] ----------------------------------------- 1. Number of variables: 21 2. Number of cases/rows: 6533 3. Variable List A. Name: Observation Description: observations numbered B. Name: Condition Description: experimental condition: 0 = baseline, 1 = social norm, 2 = outcome efficacy, 3 = private self-focus C. Name: simple_baseline Description: dummy contrast code used to assess the effect of Number of vehicles in the Baseline condition D. Name: simple_norm Description: dummy contrast code used to assess the effect of Number of vehicles in the Social Norm condition E. Name: simple_efficacy Description: dummy contrast code used to assess the effect of Number of vehicles in the Outcome Efficacy condition F. Name: simple_selffocus Description: dummy contrast code used to assess the effect of Number of vehicles in the Private Self-Focus condition G. Name: Location Description: location at which data were collected, 1 = Location 1, 2 = Location 2 H. Name: Date Description: date of observation (MM/DD/YYYY) I. Name: Date_num Description: date of observation numbered from 1 (1st observation day) to 17 (last observation day) J. Name: Session Description: represents one barrier drop, numbered from 1 for each observation day (used for multilevel grouping) K. Name: Vehicle_type Description: type of vehicle, 1 = car, 2 = bus, 3 = lorry, 4 = motorbike, 5 = service vehicle, 6 = van, 7 = taxi L. Name: Number_vehicles Description: number of vehicles queuing at one location, for each barrier drop (session) M. Name: temperature Description: average temperature measured for the duration of the barrier drop N. Name: humidity Description: average humidity measured for the duration of the barrier drop O. Name: NO2 Description: average NO2 concentration level measured for the duration of the barrier drop P. Name: O3 Description: average O3 concentration level measured for the duration of the barrier drop Q. Name: PM25 Description: average PM2.5 concentration level measured for the duration of the barrier drop R. Name: logNO2 Description: logarithmic transformation of NO2 S. Name: logO3 Description: logarithmic transformation of O3 T. Name: logPM25 Description: logarithmic transformation of PM25 U. Name: Engine_off Description: whether engine is on or off, 0 = engine on, 1 = engine off 4. Missing data codes: Empty cell Missing data