{"id":664,"date":"2023-10-14T19:11:53","date_gmt":"2023-10-14T23:11:53","guid":{"rendered":"https:\/\/carleton.ca\/mathlab\/?page_id=664"},"modified":"2023-10-14T19:17:51","modified_gmt":"2023-10-14T23:17:51","slug":"missing-number-app","status":"publish","type":"page","link":"https:\/\/carleton.ca\/mathlab\/experiment-apps\/missing-number-app\/","title":{"rendered":"Missing Number App"},"content":{"rendered":"

In the\u00a0Missing Number App<\/b>, participants will be<\/span>\u00a0asked to find out the missing number from a set of four numbers in a counting sequence. In particular, a fixation across appears in the center of the screen for 500ms, follows by 500 ms later by a stimulus. For each trial, four single-digit numbers will be presented in a sequential pattern with one of them missing (e.g., in ascending or descending\u00a0order). The position of the blank in the number sequence will be the second position for half the sequences and the third position for the other half of the sequences (e.g., 1 _ 3 4; 3 4 _ 6). Participants will be asked to verbally report the missing number as quickly as possible, and the experimenter will enter their response using a separate\u00a0keyboard<\/strong>\u00a0that is connected (Bluetooth connection) to an iPad. More specifically, for each trial, once the participant says the answer out loud, the experimenter will need to:\u00a0<\/span><\/p>\n

1) Press the spacebar (RT recorded).<\/strong><\/span><\/p>\n

2) Type the number (participant’s verbal response recorded) in the keyboard.<\/strong><\/span><\/p>\n

3) Press enter to proceed to the next trial.<\/strong><\/span><\/p>\n

Participants who fail to respond after the time limit will be led to the next trial. Participants will be given practice trials with feedback. Task parameters (e.g., instructions, practice trials, experimental\u00a0stimuli, and time limit, etc.) can be configured (click HERE<\/a> to watch configuration video).<\/span><\/p>\n

Click HERE<\/a> to download the app.<\/span><\/p>\n

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<\/p>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

In the\u00a0Missing Number App, participants will be\u00a0asked to find out the missing number from a set of four numbers in a counting sequence. In particular, a fixation across appears in the center of the screen for 500ms, follows by 500 ms later by a stimulus. For each trial, four single-digit numbers will be presented in […]<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":627,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","_mi_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"yoast_head":"\nMissing Number App - Math Lab<\/title>\n<meta name=\"description\" content=\"In the\u00a0Missing Number App, participants will be\u00a0asked to find out the missing number from a set of four numbers in a counting sequence. 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