Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com), Millisecond
Created: January 08, 2016
Last Modified: January 09, 2023 by K. Borchert (katjab@millisecond.com), Millisecond
Script Copyright © Millisecond Software, LLC
This script implements the EAT- 26 (Eating Attitudes Test) as described in:
Garner, D.M., Olmsted, M.P., Boh, Y. & Garfinkle, P.E. (1982). The Eating Attitudes Test: Psychometric features and clinical correlates. Psychological Medicine, 12, 871-878
3 minutes
26 6-point Likert questions
can be edited under section Editable Parameters
Norms are calculated based on data published by Garner et al. (1982).
The mean and standard deviation used in this script are derived from a group of female college students (N = 140)
Mean = 9.9, SD = 9.2 (see Garner et al., 1982, table 2)
File Name: eat_26_summary.iqdat' (Inquisit Lab: one data file per participant)
| Name | Description |
|---|---|
| inquisit.version | Inquisit version number |
| computer.platform | Device platform: win | mac |ios | android |
| startDate | Date the session was run |
| startTime | Time the session was run |
| subjectId | Participant ID |
| groupId | Group number |
| sessionId | Session number |
| elapsedTime | Session duration in ms |
| completed | 0 = Test was not completed 1 = Test was completed |
| eat26Total | The total score Scoring q1-q25: always (3). usually (2), often (1) - the remaining answer choices (0) q26: reversed coded Note Norms are calculated based on data published by Garner et al. (1982). The mean and standard deviation used in this script are derived from a group of female college students (N = 140) |
| zScore | The z-score of the EAT27 Total Score with mean = 9.9 and sd = 9.2 |
| pValue | The percentile of the EAT27 zscore + individual responses |
File Name: eat26.iqdat
| Name | Description |
|---|---|
| date | Date the session was run |
| time | Time the session was run |
| subject, group, session | With the current subject/groupnumber/session id |
| build | Inquisit version number |
| q*_response | Response given (in assigned values) Scoring q1-q25: always (3). usually (2), often (1) - the remaining answer choices (0) q26: reversed coded |
| q*_latency | How much time (in ms) the participant spent on the surveyPage with this particular question (the last time this particular surveyPage was visited) |
The procedure can be adjusted by setting the following parameters.
| Name | Description | Default |
|---|---|---|
| pageInstructions:- | ||
| pageInstructions2 | The presented page instructions Norming Statistics: The mean and standard deviation used in this script are derived from a group of female college students (N = 140) (see Garner et al., 1982, table 2) | |
| mean: | 9.9 | |
| sd: | 9.2 |