function text_only_screen(text) {

	// first prevent pressing spacebar too quickly
	var text_screen_prevent_press = {
             type: 'html-keyboard-response',
			 choices: jsPsych.NO_KEYS,
             stimulus: text,
			 trial_duration: 3000
           };

	var text_screen_press_spacebar = {
        type: 'html-keyboard-response',
        stimulus: text,
    };

	text_screen = {
		timeline: [
		     text_screen_prevent_press,
			 text_screen_press_spacebar
			 ],
	}

	return text_screen
}
