Spatial Relations Task

Technical Manual

Script Author: Katja Borchert, Ph.D. (katjab@millisecond.com), Millisecond

Created: January 07, 2012

Last Modified: January 16, 2025 by K. Borchert (katjab@millisecond.com), Millisecond

Script Copyright © Millisecond Software, LLC

Background

This script implements a timed Spatial Relations Task, a test of spatial reasoning abilities.

The implemented procedure is based on:

Salthouse, T.A. (2006). Mental Exercise and Mental Aging. Evaluating the Validity of the ‘‘Use It or Lose It’’ Hypothesis. PERSPECTIVES ON PSYCHOLOGICAL SCIENCE, 1, 68-87.

Duration

12 minutes

Description

Participant gets one figure in a 2-D representation and has to choose amongst 4 possible 3-D figures the one that corresponds to the 2-D representation. Participants have 10 minutes for a max. of 20 items.

Procedure

1 Testblock with 20 trials (trial.spatialrelations):
trial.spatialrelations present 1 target 2-D picture and 4 possible 3-D answer choices and a clock in the upper left hand
corner. The clock counts down the allotted time (default: 10min). Once the selection is made a blue circle briefly highlights
the selection. If the time is running out (default: 1 min or less) a red oval appears around the clock to
highlight the remaining time.

1 instruction block presents 2 demonstration examples.

Stimuli

To change the selection of Stimuli go to section Editable Stimuli
list.correctanswers contains the corresponding correct answers

Instructions

edit instructions in script "spatialrelations_instructions_inc.iqjs"

Summary Data

File Name: spatialrelations_summary*.iqdat

Data Fields

NameDescription
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
timelimit Time allotted for the main task in ms(default: 10min, in ms)
timeReminder A reminder that only (default) 1 min are left (in ms)
timeshowselection Time the selection is briefly highlighted with blue stimulus (default: 50ms)
! that time 'takes away' from the allotted 10min
sumCorrect Sums up the correct choices

Raw Data

File Name: spatialrelations_raw*.iqdat

Data Fields

NameDescription
build Inquisit version number
computer.platform Device platform: win | mac |ios | android
date Date the session was run
time Time the session was run
subject Participant ID
group Group number
session Session number
blockCode Name of the current block
blockNum Number of the current block
trialCode Name of the current trial
trialNum Number of the current trial
timelimit Time allotted for the main task in ms (default: 10min, in ms)
target Contains the current target
choice1 - choice4 Contains the current stimulus for choice1-choice4
correctChoice Stores the current correct choice
response The participant's response
correct The correctness of the response (1 = correct; 0 = incorrect)
latency The response latency (in ms)
sumCorrect Sums up the correct choices

Parameters

The procedure can be adjusted by setting the following parameters.

NameDescriptionDefault
timeLimit Time allotted for the main task 10min, in ms
timeReminder A reminder that only (default) 1 min are left (in ms)
timeShowSelection Time in ms the selection is briefly highlighted with blue stimulus
! that time 'takes away' from the allotted 10min
50ms