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Saturday, February 10, 2018

Psychology Papers

Psychology Papers


The purpose of this essay is to outline the main techniques used in psychology writing and research. Even the first course most psychology students take, often as a prerequisite to study the social science, shows that the body of knowlegde, rests mainly on psychological experiments and other research. Students undertaking an education in the field will doubtless encounter at least introductory level courses in research and quantitative methods, as well as, statistics. Indeed, basics such as probability theory and the normal distribution are crucial to understanding many experiments’ results.

When writing an essay in psychology, one is usually directed by the professor to cite academic sources. Such references typically include books, or journal articles; articles considered academic, those which have been published in peer-reviewed publications. Some of the best online databases for such scientific research offer options to restrict searches by title of the article and time of publication, recent scientific discoveries being preferable as a general rule, unless one wishes to consult classics. Proper referencing is key, and the appropriate style of referencing (APA, MLA, Chicago) corresponds to the discipline one is writing about (example: psychology papers use APA style, while political scientists tend to turn to MLA or Chicago, which uses footnotes). Detailed guides on all the finicky details should be consulted in order to avoid losing points when writing a paper for a class.

 You Must Swim in Psychology Like a Fish in the Water. Illustration: Megan Jorgensen

Experimenters first construct a hypothesis (a prediction about what will happen) and then design an experiment to test said hypothesis. Subjects are very often found on campuses, but other recruitment ways, such as newspaper advertisements, remain commonplace. Interestingly, one of the bias of psychology has beed pointed out, that much of psychological theory is based on experiments carried with college or university students (who often participate in research on a voluntary basis, but for additional credit), resulting in a sampling bias. Sampling bias might also occur when the random assignment requirement is not met. Experimental groups are composed of the experimental group (administered the dependent variable to measure the outcome) and a control group (given the placebo). Furthermore, experiments can be blind or double blind (referring to the experimenters themselves ignoring which participants belong to which group until the experiment is over). Finally, the experiment is followed by debriefing the subjects (disclosing the purpose of the study and/or making sure participants are alright). Most often than not, the methodology section of scientific paper will demonstrate the methods used, in order for other scientists to be able to replicate the results, which validates the experiment.

The bell curve or normal distribution states that there will always be many more individuals within the general population clustering around the middle, than at extremes. Alternatively, another descriptor used in statistics is the inverted U curve – describing the fact that too much or too little of a good thing may be bad.

Several disciplines in the field interconnect to shed light on topics of interest to psychologists. For instance, abnormal psychology concentrates on mental illnesses, disorders and other conditions which may preclude one from functioning at one’s best and/or cause one distress. To illustrate, one may look at phobias. Phobias are irrational fears held by people, individuals with phobias usually know their fear is irrational, but the panic remains.

Neuroscientists cite the amygdala as the brain structure most often associated with fear and anxiety. Behaviourists may point to conditioning, whereas evolutionary psychologists stress the importance of survival of the fittest in the development of phobias. For example, people whose ancestors lived in areas where there were a lot of venomous spiders appear more likely to have survived if they feared, and thus particularly cautiously avoided, arachnids. Thus, fear and avoidance of spiders conferred an evolutionary advantage since these persons were thus able to pass on their genes to future generations. Indeed, the most common phobias are arachnophobia (fear of spiders), fear of snakes, fear of heights, fear of flying, agoraphobia (with or without panic attacks) and so on. Phobias are often treatable, with a method called desensitization, however little incentive exists to treat a phobia, of say rattle snakes, for those living in a Northern, urban environment.

Thus, the purpose of the present essay was to outline the main strategies used by psychologists and psychology students in writing, reading and analyzing theory. Alternatively, to make a long story short, evolutionary psychology rests on the premise of survival of the fittest. Pioneered by Darwin, evolutionary theory maintains that genes are passed on when they confer an evolutionary advantage in terms of reproductive success. Darwin initially based his theory on the differences of finches’ beaks on the Galapagos islands.

Psychology Research

Psychology Research


The purpose of the present essay is discussing psychological research and sources of pertinent information on how to write papers in psychology. Indeed, psychology is a fascinating subject! Much has been written on the topic, both in academic literature and by bloggers on the internet. Indeed, for recent research and peer-reviewed journal articles, one is directed to online databases such GoogleScholar, PsycInfo, EBSCOHost, Proquest and MedLine. Alternatively, informational Websites such as GrandQuebec contain many references and discussions of the matter.

But what is psychology? To avoid repeating what has countlessly been regurgitated by keen students on their first psychology exam, psychology is mostly a method of analyzing human behavior, emotions and thought processes in a scientific (or pseudo-scientific according to skeptics) manner.

The social science is further subdivided in countless disciplines. For example, neuroscience studies the brain, social developmental psychology focuses on the interactive and interpersonal development of individuals throughout the lifespan, whereas a course in cognition (or cognitive psychology) concentrates on learning, memory, mental schemas and other meta-concepts.

Psychological research is similar to a crystall ball. Illustration by Elena

Many parents, or nowadays, often grown children themselves, often ponder which major to choose for an undergraduate degree for a perspective graduate. Interestingly, employers, as evidenced by a famous critique in the prominent Harvard Business Review publication, often look for skills outside the scholarly realm when making hiring decisions. In fact, human resource managers tend to cite experience and previous employment references as key factors when deciding whether a candidate is a good fit for a position. Still, it goes without saying that a professional degree in law, medicine or an MBA (graduate) combined with an industry license or certification, usually open more career paths, than concentrations in the liberal arts. Nonetheless, some recruiters argue that a bachelor degree in the liberal arts remains a good way to enter today’s competitive job market.

In the West, the discipline can be studied at most universities, colleges and other public or private institutions of higher learning. As a general rule, to become a psychologist one must complete graduate level studies, write a successful thesis, participate in laboratory research (as a study designer or experimenter) and pass a state mandated exam, or meet other prerequisites as established by the official order regulating the profession in the community where the person wishes to practice. However, psychological studies may also lead to entry-level jobs in counseling and related fields, as well as business (industrial psychology). Thus, the present paper attempts at discussing essay composition in psychology, including research and literature methods, and informative sources.

Psychosocial Factors in Schizoaffective Disorder

Psychosocial Factors in Schizoaffective Disorder


Schizoaffective disorder is a serious mental illness which directly and negatively impacts a patient’s quality of life. After a prolonged period, patients often end up friendless. Also, people who suffer from such critical conditions as schizoaffective disorder often live in poverty and may even end up homeless. Clearly, family and social support is very important in improving quality of life for schizoaffective disorder patients alongside from the professional treatment they get from psychiatrists.

Psychosocial factors include family and social support. Image: Megan Jorgensen (Elena)

Quality of life often declines before the psychotic symptoms even develop. Indeed, since schizoaffective disorder includes elements from bipolar disorder or depression, depressive symptoms may be present even before the psychotic features are evident. A very serious problem for the carers of persons suffering from this mental illness is that often the patients refuse to believe that there is something wrong with them. To them, their delusions or hallucinations represent reality and they do not think that anything needs to be addressed by a specialist.

Further, another challenge faced by those suffering from mental illnesses requiring treatment by antipsychotic medication are the potential side effects. For example, risperidone is often prescribed to treat psychotic symptoms, but may produce an intense feeling of restlessness and an inability to sit still, among other things. Some patients suffer so much from the side effects that they prefer to stop taking the medication altogether, which is very dangerous and very detrimental to the course of their disease. How is anyone ever going to get better if they stop taking their medication?

In addition to their illness, individuals with schizoaffective disorder may suffer from poverty and homelessness. Image: Megan Jorgensen (Elena)

Paranoid ideation may resume if the medication is stopped. Indeed, to reiterate, the patient may not understand that the delusions are part of their illness until the antipsychotic medication takes effect. For instance, a particular young man had ideas of reference and reacted negatively to any attempt by his family to have him seen by a psychiatrist. Overtime, he was eventually convinced to seek help and after a few weeks on antipsychotic medication he himself understood that his erotomanic delusions and ideas of reference were a product of his mind and of his mental illness.

Friday, February 9, 2018

Using Your PC to Pick Your Stocks

Using Your PC to Pick Your Stocks

Computers can’t choose stocks, but they can give you a lot more choices

Text was first published in 1994, an interesting historical text about those times gone forever

Your personal computer can be a window into the stock exchanges. You can examine current stock quotes and analysts’ reports and screen tremendous databases for any number of stock characteristics. You can even buy stock on a PC.

You don’t have to be a computer expert to use the screening techniques of Wall Street pros, but you do have to invest some time and money. The better screening programs are as easy to use as a spreadsheet or database program. Most disk-based programs cost between $100 and $800 a year. If you plan to purchase a computer for stock screening, the American Association of Individual Investors (AAII), an independent non-profit group, suggests you chose an IBM-compatible PC. Investing software for the Apple Macintosh is not as widely available and what little there is, is rapidly disappearing.

Stock screening online can be pricier, since online services, such as CompuServ, generally charge users for the time their computer is hooked up. You’d be well-advised to study your manual closely before logging on and become familiar with abbreviations for certain financial ratios.

Old computer souvenirs. Illustration by Megan Jorgensen (Elena)

The big advantage of the online screening services is timeliness. These services generally update stock prices nightly and corporate data weekly. Subscribers to disk services, however, receive financial data by mail. But users can generally get more detail from disk-based services. Besides, disk-based services can offer more flexibility and depth. Typically, online users can compare stocks in just a few dozen categories. On disk, you have greater freedom to manipulate data.

Of course, says AAII president John Markese, “screening stocks won’t make you a better investor.”

It will, however, make it easier to sift through data. A subscription to AAII’s 28-page bi-monthly newsletter on screening techniques and the latest investment-related computer developments, the Individual Investor’s Guide to computerized Investing, costs $40 per year and includes a year-end 500-page guide by the same name. Members pay $30. Membership costs $49 annually.

Choosing a stock-screening service

Stock-screening services vary widely. Some only provide raw data, while others offer complete analyse systems. In selecting which service works best for you the American Association of Individual Investors, an independent, non-profit group, suggests that you pay attention to how the service provides data, what information is provided, which computer systems can use the data, the cost, and even how the service determines what to charge for the data.

Some items on the AAII checklist:

  • Take a close look at the features the service offers: Obviously the service should supply the information you are searching for, but a quick look through the grids of product descriptions will show that services vary greatly in breadth and depth. If you are a technician, than you should probably seek a service that specializes only in providing historical data for the markets you analyze. You do not want to pay for features that you will never use.
  • Charges for access and data can vary greatly between services: The best way to compare two services is to determine the type of data that you are going to need and compute how much it is going to cost to obtain it.
  • If you are looking for real-time data, watch out for exchange fees: Stock and securities exchanges charge individuals for access to real-time data. All real-time vendors must collect this fee, but may not mention it in their pricing lists.
  • Check to see if there is a monthly minimum: If you are an infrequent user, you might be paying for data that you never use.

Screening the Stock Screening Services


Online or in your computer, here’s what the leading services have to offer:

  • CompuServe: Money Magazine’s Fund, E* Trade, Quick & Reilly brokerage
  • GEnie: Dow Jones News/Retrieval, Charles Schwab
  • Prodigy CANSLIM: Includes a popular preset screen of seven criteria
  • Reuters Money to set Network: Allows user to set price-limit triggers at which system will sound an alert
  • Telescan Prosearch: Access to 500 single stocks traded worldwide
  • AAII Criteria Stock: Requires 30 MB on hard-drive, twice what others require
  • Morningstar’s US Equities: Allows you to customize data-base to create your own rankings
  • Value/Screen III: Database of widely traded stocks, good tool for conservative investor

Mutual Fund only Screens: Morningstar, Alexander Steele’s Mutual Fund Expert: Fast and easy to use.

Economic, Marketing & Neuromarketing Studies

Economic, Marketing & Neuromarketing Studies

Microeconomics focuses on the individual and the firm, while macroeconomics concentrates on governments and corporations. Mesoeconomics is a relatively new concept, covering issues that fall outside of the two categories.

Wealth of Nations. The resulting ideology of classical economics centers on laissez-faire and the invisible hand, which both advocate non-intervention in markets which are seen as self-regulating.

After the Great Depression in the 1930s, an alternative outlook, Keynesian economics, has gained in prominence. John Maynard Keynes called for greater governmental involvement in economic affairs.

The basic tenets of the social science are demand and supply, and the ensuing market equilibrium (when supply equals demand). The following graph shows such a situation:

Equilibrium graphics. Economic equilibrium explained graphically. At E, supply equals demand, and thus, the market is in equilibrium. 

Marketing


In a free association exercise, one of the first words that come to mind when prompted to think about marketing, is advertising. However, while advertising is certainly a part of marketing, it fails to describe the full picture.

The AMA (American Marketing Association) defines marketing as the exchange and communication of potential benefits (paraphrased summary; Crane et al., 2011). The goal is to identify consumer needs and turn them into appropriate wants. Obviously, legal, social, environmental, moral, ethical and other concerns must be respected.

Economics. Comic book style young woman talks about economics. Economics is dubdivided in microeconomics, mesoeconomics and microeconomics. Such disciplines, such as finance are similarly branches of the social science.

Also, professional marketers often stress the importance of building customer relationships. CRM (Customer Relationship Management) databases, popular among many firms that deal with the public, have added to the tools that organizations possess to achieve such ends.

The social discipline looks at, among other things, concepts such as lifelong value, brand, niche, and target audience. For example, commercials running during the Super Bowl will likely differ from those interspersed with Saturday morning cartoons. Also, no matter how amazing the campaign, a bad product will fail, as has been demonstrated many times by history.

A related term is telemarketing, which refers to agents calling, often at random, individuals (called cold calling) with the intent to sell goods and services. Telemarketers seem intrusive to many, even in B2B or business to business undertakings, and national ‘Do Not Call’ lists have consequently been implemented.

As an academic major, marketing is offered in most BCom (Bachelor of Commerce) or BBA (Bachelor of Business Administration) programs. Individuals with such backgrounds often work in banking institutions.

Four PS. The four Ps (product, price, place and promotion) of the marketing mix.

According to Wikipedia, Neil Borden coined the expression ‘marketing mix’ (also known as the 4 Ps) in 1953 during an AMA presidential address. Still, the online encyclopedia notes that the term was a reformulation of a previously expressed idea by James Culliton in 1948. Today, it is almost impossible to find an introductory textbook on the subject that would omit mentioning the concept.

Also, social marketing is a sort of selfless marketing, aimed at benefiting other parties than the marketer (Crane et al., 2011). For intance, McKenzie-Mohr (2000) explains how social marketing can contribute to ecological sustainability using psychology to promote environmentally responsible behavior.

Neuroeconomics

Neuromarketing is a relatively new field in business, management or commerce studies. The discipline combines principles of economics with insight into the human brain as achieved thanks to neuroimaging, electrophysiology and other methods.
Neuroeconomics. Bar graph, depending on whether the bars are congruent, the may be called histograms.

The application of scientific methods to market research dates back to at least the 1990s, although the term itself appeared at later times. Despite severe criticisms, neuromarketing research may nonetheless contribute to science, at least Lee and colleagues (2007) seem to think so.

Pie Chart. Pie chart, also often used in economic, business and marketing presentations.

Others (e.g. Ariely & Berns, 2010) explain the rise of interest in applying neuroscientific principles to facilitate commercial success by two factors. Mainly, cost efficiency and the notion that such data is unavailable elsewhere.

Line Graphs. Line graph with four series.

References:

  • Ariely, D. & Berns, G. S. (2010). Neuromarketing: The hope and hype of neuroimaging in business. Nature Reviews Neuroscience, 11 (4): 284-92.
  • Crane, F. G., Kerin, R. A., Hartley, S. W. & Rudelius, W. (2011). Marketing, 8th Can. Ed. McGraw-Hill Ryerson: United States of America.
  • McKenzie-Mohr, D. (2000). Promoting sustainable behavior: An introduction to community-based social marketing. Journal of Social Issues, 56 (3): 543-54.
  • Lee, N., Broderick, A. J. & Chamberlain, L. (2007). What is ‘neuromarketing’? A discussion and agenda for future research. International Journal of Psychophysiology, 63: 199-207.
  • Wikipedia.