gistfile1.txt

# Generated by OpenSesame 0.27~pre15 (Frisky Freud)
# Thu Oct 18 12:22:38 2012 (posix)
# <http://www.cogsci.nl/opensesame>

set foreground "white"
set subject_parity "even"
set font_size "18"
set description "A template containing a practice and an experimental phase"
set title "Extended template"
set start "experiment"
set font_bold "no"
set coordinates "relative"
set height "768"
set mouse_backend "legacy"
set width "1024"
set compensation "0"
set sampler_backend "legacy"
set keyboard_backend "legacy"
set background "black"
set subject_nr "0"
set canvas_backend "legacy"
set font_family "mono"
set synth_backend "legacy"
set font_italic "no"

define feedback feedback
	set duration "1500"
	set reset_variables "yes"
	set description "Provides feedback to the participant"
	draw textline 0 -96 "Your RT was [response_time_keyboard_response] ms." center=1 color=white font_family=mono font_size=18 font_italic=no font_bold=no show_if="always"
	draw textline 0 30 "Please try to be faster than 3000 ms." center=1 color=white font_family=mono font_size=18 font_italic=no font_bold=no show_if="always"
	draw textline 0 -32 "This was too slow." center=1 color=white font_family=mono font_size=18 font_italic=no font_bold=no show_if="always"

define sketchpad _sketchpad
	set duration "1000"
	set description "Displays stimuli"

define loop block_loop
	set repeat "1"
	set description "A single block of trials"
	set skip "0"
	set offset "no"
	set item "trial_sequence"
	set column_order ""
	set cycles "10"
	set order "random"
	run trial_sequence

define loop experimental_loop
	set repeat "1"
	set description "A loop containing one or more experimental blocks"
	set item "block_sequence"
	set column_order "practice"
	set cycles "1"
	set order "random"
	setcycle 0 practice "no"
	run block_sequence

define sequence experiment
	set flush_keyboard "yes"
	set description "The main sequence of the experiment"
	run experimental_loop "always"

define sequence trial_sequence
	set flush_keyboard "yes"
	set description "A single trial"
	run sketchpad "always"
	run keyboard_response "always"
	run inline_script "always"
	run feedback "[show_feedback] = yes"
	run logger "always"
	run _sketchpad "always"

define keyboard_response keyboard_response
	set description "Collects keyboard responses"
	set timeout "infinite"
	set flush "yes"

define logger logger
	set description "Logs experimental data"

define inline_script inline_script
	___run__
	# The response time on a given trial can be retrieved in an 
	# inline_script item like so:
	trial_rt = self.get("response_time")
	
	
	# Check whether the RT matches your criteria:
	if trial_rt > 3000:
		show_feedback = "yes"
	else:
		show_feedback = "no"
		
	# Make the variable show_feedback available in the interface
	# so that you can use it for "Run if" statements:
	exp.set("show_feedback", show_feedback)
	__end__
	set _prepare ""
	set description "Executes Python code"

define sketchpad sketchpad
	set duration "0"
	set description "Displays stimuli"
	set start_response_interval "no"
	draw fixdot 0 0 color=white show_if="always"
	draw textline 0 -90 "Press a key!" center=1 color=white font_family=mono font_size=18 font_italic=no font_bold=no show_if="always"

define sequence block_sequence
	set flush_keyboard "yes"
	set description "A sequence containing a single block of trials followed by feedback to the participant"
	run block_loop "always"