Weird Definition and 482 Threads

Psychology is the science of mind and behavior. Psychology includes the study of conscious and unconscious phenomena, as well as feelings and thought. It is an academic discipline of immense scope. Psychologists also seek an understanding of the emergent properties of brains, linking the discipline to neuroscience. As a social science, psychologists aim to understand the behavior of individuals and groups.A professional practitioner or researcher involved in the discipline is called a psychologist. Some psychologists can be classified as a social, behavioral, or cognitive scientists. Some psychologists attempt to understand the role of mental functions in individual and social behavior. Others explore the physiological and biological processes that underlie cognitive functions and behaviors.
Psychologists explore behavior and mental processes, including perception, cognition, attention, emotion, intelligence, subjective experiences, motivation, brain functioning, and personality. Psychologists' interests extend to interpersonal relationships, psychological resilience, family resilience, and other areas within social psychology. Psychologists also consider the unconscious mind. Research psychologists employ empirical methods to infer causal and correlational relationships between psychosocial variables. Some, but not all, clinical and counseling psychologists rely on symbolic interpretation.
While psychological knowledge is often applied to the assessment and treatment of mental health problems, it is also directed towards understanding and solving problems in several spheres of human activity. By many accounts, psychology ultimately aims to benefit society. Many psychologists are involved in some kind of therapeutic role, practicing in clinical, counseling, or school settings. Other psychologists conduct scientific research on a wide range of topics related to mental processes and behavior. Typically the latter group of psychologists work in academic settings (e.g., universities, medical schools, hospitals). Another group of psychologists is employed in industrial and organizational settings. Yet others are involved in work on human development, aging, sports, health, forensics, and the media.

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  1. G

    How do you find the current going through a weird circuit?

    Homework Statement Homework Equations at point C: i2 - i3 - i4 i2 = i3 + i4[/B] The Attempt at a Solution I labeled all the currents going through each resistor in the picture[/B] for loop ABC: 2000i1 = 3000i2 + 4000i3 for loop BDC: 3000i5 = 2000i4 + 4000i3 at point C: i2 - i3 - i4 i2...
  2. ShayanJ

    A Weird problem with a Lagrangian

    I'm trying to follow the calculations in this paper. But I have a weird problem in section 2. To calculate the entanglement entropy using the Ryu-Takayanagi prescription, you have to extremize the area of a surface. So you have to use Euler-Lagrange equations for some kind of an action. The...
  3. S

    B Why Does This Number Pattern Always Result in 6?

    I was just playing with some numbers and I noticed this weird pattern. Because of the complexity of the problem I am finding it hard to describe it in words. But you can easily understand it by looking at the picture. Whenever I form a series by adding numbers in Arithmetic progression to the...
  4. R

    Weird question in "Vectors" chapter

    Homework Statement Two aircraft approaching an aircraft carrier are detected by radar. The first aircraft is at a horizontal distance of 34.3 km in the direction 42 deg north of east. and has altitude 2.4 km The second aircraft, at altitude 1.2 km, is at horizontal distance of 42.6 km in the...
  5. davenn

    OK .... this is just "What The" weird

    far out !
  6. O

    Weird aerospace question to probably be corrected

    This probably is as impossible as i think, but can an airplane have slanted wings? By this I mean, can an airplane's wings operate like a see-saw with one with angling upward, and the other going equally downward while the main body of the plane doesn't move at all. This mechanism would sort of...
  7. maistral

    A Unusual Bessel-like Differential Equation with Negative Sign

    Hi. I have this Bessel look-a-like DE (however it has the negative sign on the dependent variable): My attempt at a solution is by (obviously) trying to transform it into a Bessel DE by multiplying it with x2 on both sides, then it would look like the Spherical Bessel differential equation...
  8. donavi

    I The spin of the photon -- a weird experiment with a laser

    Hello everybody, I'm playing with a ne -ne laser And i conducted an interesting experiment I did colliding beams the type of interferometer Fabry Pero between the mirrors I put the cuvette with different substances I tried to detect changes of polarization of the laser beam with the help of a...
  9. M

    Array is printing out weird symbols

    Homework Statement Compare two strings which represent test scores for a 20 question exam. If the student scores 15 or higher, they pass. Less than that they fail. Indicate whether a student passes or fails. Display how many answers they got right and wrong. Display which number they got wrong...
  10. PhotonSSBM

    Job Skills Weird situation with my job -- need advice

    So I am an employee of my university. Last semester I was given a stipend as an undergraduate researcher. For medical reasons I couldn't pursue that stipend this semester, but now have taken a job as a math tutor. Because I transitioned from one job to the other, I was informed that HR will...
  11. B

    What Is the Range of \( y = \sqrt{\ln(\cos(\sin(x)))} \)?

    Homework Statement Find the range ##y = \sqrt{\ln({\cos(\sin (x)}))}## Homework EquationsThe Attempt at a Solution [/B] https://www.desmos.com/calculator I used a graphing calculator to find the intersection between ##y = e^{x^2}## and ##y = \cos(\sin(x))##. Which I get as ##(0,1)##. So the...
  12. A

    Finding E and B field of a weird charge distribution

    Homework Statement Initially there is a spherical charge distribution of with a radius ##R_0## and uniform charge density ##ρ_0##. Suppose the distribution expands spherically symmetrically such that its radius at time t is ##R_0 + V t##, where V is the velocity. Assuming the density remain...
  13. wolram

    B Weird quantum property of empty space?

    https://www.sciencedaily.com/releases/2016/11/161130082804.htm Is there any other detection's to back this up?By studying the light emitted from an extraordinarily dense and strongly magnetized neutron star, astronomers may have found the first observational indications of a strange quantum...
  14. E

    Engineering Weird looking circuit -- Can someone check my attempt?

    Homework Statement This is kind of what the circuit looks like: Homework Equations KCL The Attempt at a Solution This my attempt at "normalizing" it: Solving Attempt: ##\frac{V_{in}-V_o}{R_1}+C_1\dot{V_{in}}=0## ##\frac{V_o-V_{in}}{R_1}+\frac{V_o}{R_3+R_2}=0## Are my equations correct?
  15. S

    Symmetric square well, wavefunction is weird

    Hi, I'm trying to work my way through some problems and am stuck on one for a symmetric infinite square well, of width 2a, so -a<x<+a. Since this is the symmetric case, the wavefunction should be a linear combination of the terms (a)-½ cos (nπx/2a) for odd n, (a)-½ sin (nπx/2a) for even n...
  16. Andreas C

    B Weird Tangent Property - Is It Coincidence?

    I'm sure that I am not the first one to notice this, but I found that for angles between 0 and 90 degrees, tan(90-10^n) approximately equals 5.7296*10^(-n+1). Is that purely a coincidence?
  17. Dadface

    I Is quantum weirdness really weird?

    The so called weirdness of quantum theory seems to be widely publicised particularly in the non specialist popular literature. However many of the experts in this forum seem to be of the opinion that there are rational explanations to much of the weirdness. What I would like to know is the...
  18. B

    Did this (weird) guy want to harm me?

    When I was 25 years old, I lived in a homeless shelter in a small town (population approximately 30,000). After I had been at the shelter about two weeks, I was eating dinner one day at the homeless shelter when this other homeless guy I had never seen before sat right across the table from me...
  19. T

    Weird thinking of electric field inside a hollow cylinder.

    While I was studying with electric field about cylinder, I learned that for a very long cylinder, the electric field in the hollow of cylinder will be zero. http://physics.stackexchange.com/questions/156789/electric-field-of-hollow-cylinder However, I couldn't accept this intuitively, and...
  20. Peter2

    Faraday's Law of Induction - Experiment Giving Weird Results?

    Homework Statement [/B] Hi everyone, some school mates sugested id try this forum for help with this work i have :) - will try to keep it short We were trying to induce current in a coil and confirm the experimental results with math, but the math is way off and nobody is sure...
  21. Marcin H

    Engineering Op Amp Circuit Weird Characteristics

    Homework Statement Homework Equations V=IR KCL/KVLThe Attempt at a Solution I have a similair problem to this one in my notes and I know how to solve this circuit, but I am confused on some parts of it. First, at V1 why can we say the voltage there is 0V? Is it because it is connected to...
  22. Mr Davis 97

    I Weird statement of conditions in propositional logic

    So I am studying conditionals in proposition logic, and I have discovered that there are a variety of ways to phrase a conditional "if p, then q" in English. Some of the harder ones are... p is sufficient for q a necessary condition for p is q q unless ~p (where ~ is the not operator) p only...
  23. Looeelooee1

    B Solving Weird Time Dilation Question w/ Spaceships

    I put the prefix as intermediate because I wasn't really sure how complicated of a question this is, I am currently a junior in high school... So basically if you were to have two spaceships with people the exact same age in them traveling at 99% the speed of light and they were traveling...
  24. T

    Job Skills Weird Air Force admissions situation

    Anyone have any backup ideas/plans for me because it appears that my Air Force career goal isn't working out... as in they might not even bother to send me to MEPs because of an issue. Thanks!
  25. P

    Other Weird question: IB Physics EE ideas

    Hi guys, I am currently doing HL IB Physics and i chose to do my Extended Essay on physics as well but i am having trouble to figure out my topic and what my question can be. I was thinking of something around the area of stability in structures or renewable energy. But i have no idea what...
  26. Andreas C

    A weird answer -- Lagrangian mechanics

    Just refer to my profile picture to see what the issue is! :biggrin: Here's the problem: a ball of mass m is connected to a vertical pole with an inextensible, massless string of length r. The angle between the string and the pole is θ. The pole rotates around the z axis with a constant angular...
  27. Shadowkat678

    B What Could Explain the Mysterious Red Pulsing Light in the Sky?

    Hey, I'm new here, and I really need an explanation for this. It's been driving me up the walls! Also, it looks like this got posted in a different area then I tried to put it. Tried putting it in astrology thinking it might have something to do with a space phenomenon. I would delete this and...
  28. Evo

    News Weird News Compilation

    I'm always finding weird things in the news and thought it might be fun if we all shared odd stories we came across. Please feel free to post odd, funny or unusual stories in this thread. Turns out that Zoobyshoe beat me in posting about this in another thread, so he will officially be known...
  29. Runei

    I Some weird circular relationship

    Hello there! I'm currently doing some mathematical modelling at my work, and I have arrived at an interesting kind of circular relationship integral - and now I'm wondering about what to do. The integral looks very innocent at first glance: $$ \theta_s = \int\limits_0^{t_1} \omega (t) dt$$ So...
  30. M

    Schrodinger equation for a weird potential

    Hello everyone, I have this weirdo potential for homework \begin{equation} U(x) = \frac{U_1}{ \left( 1+e^{x/a}\right)^2 } - \frac{U_2}{ \left( 1+e^{x/a}\right)} \end{equation} where U1,U2 and "a" are positive and I need to find the energies for the bound states and also the wave functions...
  31. S

    Kirchoff's method for a weird circuit

    Homework Statement In the following circuit, the battery has emf ε = 12.7 V. The resistors are R1 = 2000 Ω . R2 = 3000 Ω, and R3 = 4000 Ω. What is the current through resistor R2 ? Homework Equations Kirchoff's Rules V=IR The Attempt at a Solution i0 (into A) - i2 (current into resistor 2) -...
  32. Hepth

    Mathematica Another bug? Weird integration results.

    I can't upload the notebook I guess, that would be a nice feature mods! (.nb extension) But here is my code , there seems to be a problem with integrating separately and then combining. $Assumptions = 0 < r < 1 && 0 < z < 1; FUNCTION = Expand[-(Pi*(-1 + r)*(-12*z + r^2*z + r*(-12 +...
  33. wolram

    B Can Cosmic Strings Align Black Holes?

    In scientific daily. https://www.sciencedaily.com/releases/2016/04/160411130033.htm How can a cosmic strings align black holes , or any other process,
  34. AlwaysSometimesNever

    Hi, I'm an aspiring physics major. Nice to meet you all

    Just a standard introduction.
  35. K

    Weird questions about short circuit current capacity

    Hi friends , today we are just general talking with my boss. and he asked me a question . and that is, if we have equipment that is rated short circuit current is 40kA. for 1 sec. and if we must have to use that same equipment for 3 sec time. that how much short circuit current they can...
  36. Jessica Ann Yost

    Why does the moon look full in my photos,....

    ...so close to the Sun's position? Is this even possible? First two, taken around May 1st, 2015. Last one, taken in October, 2015
  37. N

    Convert data from weird to regular data

    Dear Group, I have a 30_sec_data.txt with weird characters in it and data.txt with nice numeric in it, Any one have any ideal to help me convert data from weird to regular data using Matlab. Thank you, Best regard,
  38. G

    Why QM (or rather, nature) is weird, in lay terms.

    If I show you three face down cards (normal playing cards, so can be either a red or black suit), and tell you that no matter which two you pick, they would be different colors, I have no doubt you'll say I'm being weird (to put it mildly). Well, nature does pretty much the same thing. This is...
  39. A. Neumaier

    An abstract long-distance correlation experiment

    Inspired by stevendaryl's description of an EPR-like setting that doesn't refer to a particle concept, I want to discuss in this thread a generalized form of his setting that features a class of long-distance correlation experiments but abstracts from all distracting elements of reality and from...
  40. zonde

    Quantum mechanics is not weird (locality and non-locality weirdness)

    Let's be fair, it's not true. Pure states are the ones that correspond to exact physical states. And it is not intuitive that exact physical states should transform continuously. Our belief about outcome can transform continuously but belief does not correspond to pure state.
  41. A. Neumaier

    I Quantum mechanics is not weird, unless presented as such

    Does quantum mechanics have to be weird? It sells much better to the general public if it is presented that way, and there is a long history of proceeding that way. But in fact it is an obstacle for everyone who wants to truly understand quantum mechanics, and to physics students who have to...
  42. Salvador

    Weird smell in nose after inhaling fume

    Hi folks , now I wonder today I was working on a cooling system , I drilled a small hole in a thin metal plate that was painted black, now as the drill goes through the metal it heats up so for a tiny moment there was this smell which i sometimes get when drilling wood for example the only...
  43. P

    Weird Defensive Force Field of Alien Space Probe

    In a rather bad science fiction movie, astronauts Susie (mass 60 kg) and Fred (mass 86 kg) are investigating an alien probe. All of a sudden, the probe starts to produce a weird defensive force field. Their space ship's board computer scans the field and produces the above plot of the potential...
  44. ellipsis

    Seems weird: Most threads are questions, not discussions....

    Most original posts on PhysicsForums, in the more 'academic' categories (i.e. Math, Physics, etc), has the original poster asking a very specific question. It seems the vast majority of users just come here to get free tutoring or push past a roadblock or misconception in their learning. The...
  45. D

    Find eigenvalues and eigenvectors of weird matrix

    Homework Statement find eigenvalues and eigenvectors for the following matrix |a 1 0| |1 a 1| |0 1 a| Homework EquationsThe Attempt at a Solution I'm trying to find eigenvalues, in doing so I've come to a dead end at 1 + (a^3 - lambda a^2 -2a^2 lambda + 2a lambda^2 + lambda^2 a - lambda^3 - a...
  46. T

    Weird question: is this plagiarism?

    Hi, I've got a strange situation. I'm a teacher in a foreign country, and one of my students wrote stories about historical characters. But his stories are so good, that I'm not shure if he has written them himself... My suspision is, that he has taken some Englisch stories, and translated...
  47. J

    Calculators What Could Be Causing My TI-89 to Lock Up Repeatedly?

    So, I foolishly bought a TI-89 Titanium on Ebay that was known to be in a locked up state. I've fixed locked up things before and figured I could here, too. Bad move. A thread here indicated that the hot car trick might fix it. I thought it had, but basically I think that was just due to...
  48. J

    Weird ASME rounding rule regarding fractional decimals.

    I'm taking an engineering graphics class and I recently learned this rule which states: "When the digit next beyond the last place to be retained is 5, and there are no digits beyond this 5, or only zeros, increase by 1 the digit in the last place retained if it is odd, leave the digit...
  49. G.K. Masterson

    MHB Weird ratio issue (multiple time flows between fictional realms)

    Hi all, I'm a writer who is not really great at math so I need some help with establishing time rates between different "realms" in a world-setting I'm building for a story. The gist is this: Earth is there with it's normal 1 year = 1 year timeflow. There are two realms where time runs much...
  50. Q

    What's Wrong with My Integration by Parts?

    Heya... I just stumbled upon this integral while doing ODEs... ∫x*(x-2)-2dx I used integration by parts u=x du/dx=1 dv/dx=(x-2)-2 v=-(x-2)-1 Thus ∫x*(x-2)-2dx=-x(x-2)-1-∫1*-(x-2)-1dx=-x*(x-2)-1+ln(x-2)+C Now... I don't see anything wrong with this... But every single online integration...
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