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A checklist contains three sections, titled “Sign in,” “Time out,” and “Sign out.” The section titled “Sign in” begins, “Before induction of anesthesia, members of the team (at least the nurse and an anesthesia professional) orally confirm that.” A bulleted list below this text contains four items. The first list item reads, “The patient has verified his or her identity, the surgical site and procedure, and consent.
The surgical site is marked or site marking is not applicable.
The pulse oximeter is on the patient and functioning.” The second list item reads, “All members of the team are aware of whether the patient has a known allergy.” The third list item reads, “The patient’s airway and risk of aspiration have been evaluated and appropriate equipment and assistance are available.” The fourth list item reads, “If there is a risk of blood loss of at least 500 ml (or 7 ml/kg of body weight, in children), appropriate access and fluids are available.” The section titled “Time out” begins, “Before skin incision, the entire team (nurses, surgeons, anesthesia professionals, and any others participating in the care of the patient) orally.” The bulleted list below contains “Confirms that all team members have been introduced by name and role. Confirms the patient’s identity, surgical site, and procedure. Reviews the anticipated critical events.” This first bullet has three sub-bullets that read, “Surgeon reviews critical and unexpected steps, operative duration, and anticipated blood loss; Anesthesia staff review concerns specific to the patient; Nursing staff review confirmation of sterility, equipment availability, and other concerns.” The following two bullets read: Confirms that prophylactic antibiotics have been administered = 60 min before incision is made or that antibiotics are not indicated” and “Confirms that all essential imaging results for the correct patient are displayed in the operating room.” The section titled “Sign out” reads “Before the patient leaves the operating room.” Following this are two bullet points. The first reads “Nurse reviews items aloud with the team.” This bullet has four sub-bullets that read “Name of the procedure as recorded; That the needle, sponge, and instrument counts are complete (or not applicable); That the specimen (if any) is correctly labeled, including with the patient’s name; Whether there are issues with equipment to be addressed.” The final bullet reads “The surgeon, nurse, and anesthesia professional review aloud the key concerns for the recovery and care of the patient.”
Checklists, such as the WHO surgical checklist shown here, help reduce workplace accidents.

Safety concerns also lead to limits to how long an operator, such as a pilot or truck driver, is allowed to operate the equipment. Recently the Federal Aviation Administration (FAA) introduced limits for how long a pilot is allowed to fly without an overnight break.

Howell (2003) outlines some important areas of research and practice in the field of human factors. These are summarized in [link] .

Areas of study in human factors psychology
Area Description I-O Questions
Attention Includes vigilance and monitoring, recognizing signals in noise, mental resources, and divided attention How is attention maintained? What about tasks maintains attention? How to design systems to support attention?
Cognitive engineering Includes human software interactions in complex automated systems, especially the decision-making processes of workers as they are supported by the software system How do workers use and obtain information provided by software?
Task analysis Breaking down the elements of a task How can a task be performed more efficiently? How can a task be performed more safely?
Cognitive task analysis Breaking down the elements of a cognitive task How are decisions made?

As an example of research in human factors psychology Bruno&Abrahão (2012) examined the impact of the volume of operator decisions on the accuracy of decisions made within an information security center at a banking institution in Brazil. The study examined a total of about 45,000 decisions made by 35 operators and 4 managers over a period of 60 days. Their study found that as the number of decisions made per day by the operators climbed, that is, as their cognitive effort increased, the operators made more mistakes in falsely identifying incidents as real security breaches (when, in reality, they were not). Interestingly, the opposite mistake of identifying real intrusions as false alarms did not increase with increased cognitive demand. This appears to be good news for the bank, since false alarms are not as costly as incorrectly rejecting a genuine threat. These kinds of studies combine research on attention, perception, teamwork, and human–computer interactions in a field of considerable societal and business significance. This is exactly the context of the events that led to the massive data breach for Target in the fall of 2013. Indications are that security personnel received signals of a security breach but did not interpret them correctly, thus allowing the breach to continue for two weeks until an outside agency, the FBI, informed the company (Riley, Elgin, Lawrence,&Matlack, 2014).


Human factors psychology, or ergonomics, studies the interface between workers and their machines and physical environments. Human factors psychologists specifically seek to design machines to better support the workers using them. Psychologists may be involved in design of work tools such as software, displays, or machines from the beginning of the design process or during the testing an already developed product. Human factor psychologists are also involved in the development of best design recommendations and regulations. One important aspect of human factors psychology is enhancing worker safety. Human factors research involves efforts to understand and improve interactions between technology systems and their human operators. Human–software interactions are a large sector of this research.

Personal application

Describe an example of a technology or team and technology interaction that you have had in the context of school or work that could have benefited from better design. What were the effects of the poor design? Make one suggestion for its improvement.

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Questions & Answers

what are cluster A disease?
Saee Reply
because psychology is a natural science as well as a science. it's a interdisciplinary subject
Kamakshi Reply
yes absolutely we cabt out Psychology completely into science dur to its various measuring aspects
cannot* put*
Assess the relationship between heredity and environment in human development
Newman Reply
जिवन कक्षा विकासाच्या एकूण किती अवस्था आहेत
Digambar Reply
what happened Digambar?
Is here anybody exactly awared about the medicine used for the schizophrenia?
plz can i know if io psychology in demand ou it's better to continu in human resourses management?
there are many drugs used to alleviate the symptoms, but none are used for curing the disorder itself.
Researchers believe that one important function of sleep is to facilitate learning and memory. How does knowing this help you in your college studies? What changes could you make to your study and sleep habits to maximize your mastery of the material covered in class?
whitecat Reply
Well, for starters, both are entirely different aspect for consideration. As a college student, having an adequate amount of sleep is relatively rare especially on instances where we are totally forced to stay all night (whether for studying or doing academic works).
benefits of physcology
Irfan Reply
who define first physcology
who define first physcology
I think it was either Henry James Or William James are the father of psychology.
I haven't read the flash cards and memorized them sense 2015.
so iv forgotten some info and some has never left me . I'm very passionate about psychology.
I study medical psychology
the history of psychology usually traces back to ancient chinese practices. but modern times acknowledge Wilhelm Wundt as the first person to establish a school.of thought in psychology.
is it wrong?
please can i know what is the difference about io psychology and human resources managment and which is more in demand ?
Reina Reply
What is psychology
Tayyeba Reply
someone who can observe or understand a person's reactions.
It is the scientific study of behavior and mental processes
Sarah is a 30 year old white female. Her occupation is part time chef. She is recently been divorced and has custody of her three children. She has extreme changes in her mood that began to appear in her 20’s but she never went to see a doctor about them. When family tries to talk to her about her u
Ere Reply
listen very carefully for red flags on both sides
what does historical racism mean
Unasumming Reply
Means that racism was present in a group of peoples race in there past and maybe even now. Example is the Native Americans and African Americans also Asian people. Anyone of not caucasian resent. So people who are mixed races also experience rascism.
racism meaning I would believe is a negative impact on other separate cultures, causing some serious concerns to the human race.
How do counsel someone that is kinda depressed, lonely and stuffs but the person is pushing you away with by saying stuffs you don't like? Your age mate
Ajayi Reply
let them figure themselves out met them come to you and listen more than speak
don't take anything too personal someone who is depressed has more feelings other than being sad. I have been through it we dont alwaya mean the things we say. just give time and space but be there when they are ready.
the person should be first dealt with very patience and understanding.......... person's trust should be won first to treat that kind of state if counsel is the priority..... don't rush small steps will lead to get successful results....... after the patient start trusting you conversate with them.
OK..... Thank you very much It makes me look desperate for the person's attention Thanks tho
just let them know even if they aren't ready to tall right now, you will be here for them whenever they are.
we need to wait till the stage comes when he/ she is ready at mental level to participate as he is the subject and the core of the part of that particular conscelling session
A.Are they saying it in general manner or B.they are saying it cz they know something about you personally If it is A. then remember it's a part of counseling...even if you don't agree with their views..it is theirs.. so don't take it personally
if it is B. tell them .. we are here to talk about them not you Also remember people takes time with things.. so it does get difficult at times.. but in counseling it's about them not you. And if it affecting you much .. see why is there .. and try to objective about it OR refer them to someone
allow them time to always become comfortable by listening to all sorts of thoughts they all sound scattered but if you ,just let it go until their ready to ask for advice ,my thoughts of counciling would go for a few more sessions of them venting until they've had enough to feel they want geedback
what is the trait in the given example?
Maya Reply
what's the given example?
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learning to understand psychological effects of one's mind thoughts
mental state and behavior
Mufakir Reply
Feared ,lethargic, self isolated...
because psychology basic is observation asa well as science, so people might skeptical about these two but if we look into it people might notice that it's different because psychology is study about mind and science is study about many thing around us and it's not study about mind clearly.
Karona Reply
empirical method is the method of observation on object rather than do experiment .
ology is the study of theory .
psyche means soul as well as butterfly.
psychology is the the study of mind and behavior
this is where I'm a little sceptical. we learning psychology based on books. but we ourselves r also human. when we to encounter a real life situation how well can we act accordingly
im curious more of myself then others
psychology is the scientific study of mind and behavior. scientific mean it's based on observation and experiments. yeah we can observe behavior easily but can't read mind directly that's why we do observe behavior and apply test and therapies to study mind basically we behave according to our mind
educates a humans thoughts to expand and explore more of how far a mind will go if allowed
wilhelm wundt studied psychology for the purpose of
Rufai Reply
i dont know, all inknow is that he pioneered the practice of introspective and his school of thought aims to study behavior as structured elements

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Source:  OpenStax, Psychology. OpenStax CNX. Feb 03, 2015 Download for free at https://legacy.cnx.org/content/col11629/1.5
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