___________________________________________________________________________________________________________________ *Problematic Internet Use Questionnaire (PIUQ)* *with 18 items() ___________________________________________________________________________________________________________________ Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com) for Millisecond Software, LLC Date: 12-18-2020 last updated: 02-25-2022 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC Script Copyright © 02-25-2022 Millisecond Software ___________________________________________________________________________________________________________________ BACKGROUND INFO ___________________________________________________________________________________________________________________ This script implements the Problematic Internet Use Questionnaire (PIUQ) by Demetrovics et al (2008). The PIUQ was tested with a sample that ranged in age from 12-69 (mean: ~23). Reference Demetrovics, Z., Szeredi, B., & Rózsa, S. (2008). The three-factor model of Internet addiction: The development of the Problematic Internet Use Questionnaire. Behavior Research Methods, 40, 563-574. ___________________________________________________________________________________________________________________ OVERVIEW ___________________________________________________________________________________________________________________ 18 questions, 5-point Likert Scale (never - always) Subscales Obsession: Questions 1, 4, 7, 10, 13, 16 Neglect: Questions 2, 5, 8, 11, 14, 17 Control disorder: Questions 3, 6, 9, 12, 15, 18 ___________________________________________________________________________________________________________________ DURATION ___________________________________________________________________________________________________________________ the default set-up of the script takes appr. 1.5 minutes to complete ___________________________________________________________________________________________________________________ DATA FILE INFORMATION ___________________________________________________________________________________________________________________ The default data stored in the data files are: (1) Raw data file: 'piuq.iqdat' date, time: date and time script was run with the current group/subjectnumber subject, group, session: with the current subject/groupnumber/session id build: the Inquisit build q*_response: response given (in assigned values) Scale: 1 (never) - 5 (always) no reversed scored questions 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) (2) Summary data file: 'piuq_summary.iqdat' (Inquisit Lab: one data file per participant) inquisit.version: Inquisit version run computer.platform: the platform the script was run on (win/mac/ios/android) startDate: date script was run startTime: time script was started subjectid: assigned subject id number groupid: assigned group id number sessionid: assigned session id number elapsedTime: time it took to run script (in ms); measured from onset to offset of script completed: 0 = script was not completed (prematurely aborted); 1 = script was completed (all conditions run) numberMissingItems: the number of questions that have not been answered Note: by default settings, all questions are required to be answered. However, that setting can be changed. If default setting is changed, the above variable can be used as a flag. //Total and Subscale Scores: scored on scale: 1 (never) to 5 (always) PIUQ_total: the total score (range: 18-90); PIUQ_Obsession: the score on subscale 'obsession' (range: 6-30) PIUQ_Neglect: the score on subscale 'neglect' (range: 6-30) PIUQ_ControlDisorder: the score on subscale 'controldisorder' (range: 6-30) + z-scores and percentiles if applicable + responses to individual items ___________________________________________________________________________________________________________________ QUESTIONNAIRE SET-UP & SCORING ___________________________________________________________________________________________________________________ 18 questions, 5-point Likert Scale (never - always) Subscales Obsession: Questions 1, 4, 7, 10, 13, 16 Neglect: Questions 2, 5, 8, 11, 14, 17 Control Disorder: Questions 3, 6, 9, 12, 15, 18 Scoring: Each question is scored on a scale 1 (never) to 5 (always) A subscale score is computed for each of the 3 subscales based on the sum of the individual responses. The Total PIUQ score is based on the sum of all responses. Norms are calculated (if gender is provided) by default based on data (means and standard deviations) provided by Demetrovics et al (2008, p.569, table 7). Check out section Editable Parameters to turn off the demographic questions (and norm calculations). ___________________________________________________________________________________________________________________ EDITABLE CODE ___________________________________________________________________________________________________________________ check below for (relatively) easily editable parameters, stimuli, instructions etc. Keep in mind that you can use this script as a template and therefore always "mess" with the entire code to further customize your experiment. The parameters you can change are: