Class Definition and 942 Threads

A social class is a set of concepts in the social sciences and political theory centered on models of social stratification which occurs in class society, in which people are grouped into a set of hierarchical social categories, the most common being the upper, middle and lower classes. Membership in a social class can for example be dependent on education, wealth, occupation, income, and belonging to a particular subculture or social network."Class" is a subject of analysis for sociologists, political scientists, anthropologists and social historians. However, there is not a consensus on a definition of "class" and the term has a wide range of sometimes conflicting meanings. Some people argue that due to social mobility, class boundaries do not exist. In common parlance, the term "social class" is usually synonymous with "socio-economic class", defined as "people having the same social, economic, cultural, political or educational status", e.g., "the working class"; "an emerging professional class". However, academics distinguish social class and socioeconomic status, using the former to refer to one's relatively stable sociocultural background and the latter to refer to one's current social and economic situation which is consequently more changeable over time.The precise measurements of what determines social class in society have varied over time. Karl Marx thought "class" was defined by one's relationship to the means of production (their relations of production). His understanding of classes in modern capitalist society is that the proletariat work but do not own the means of production, and the bourgeoisie, those who invest and live off the surplus generated by the proletariat's operation of the means of production, do not work at all. This contrasts with the view of the sociologist Max Weber, who argued "class" is determined by economic position, in contrast to "social status" or "Stand" which is determined by social prestige rather than simply just relations of production. The term "class" is etymologically derived from the Latin classis, which was used by census takers to categorize citizens by wealth in order to determine military service obligations.In the late 18th century, the term "class" began to replace classifications such as estates, rank and orders as the primary means of organizing society into hierarchical divisions. This corresponded to a general decrease in significance ascribed to hereditary characteristics and increase in the significance of wealth and income as indicators of position in the social hierarchy.

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  1. dkotschessaa

    Can a Petition Increase Summer Math Class Offerings at My University?

    My University offers relatively few math classes in the summer - and no upper level/math electives. I have been advised by a professor that if a petition for a class was created, there *might* be a chance of that class being offered during the summer. I talked to the next person of interest...
  2. mishima

    High School Astronomy Class Text?

    I am a high school physics teacher looking to teach an astronomy class for juniors and seniors next year. I was wondering if there are any stand out texts for this. Thanks.
  3. C

    Recommended math for 1st class in quantum

    Hello everyone. I am getting ready to take quantum mechanics in the fall and I was wondering if anyone had a suggestion for a math class I can take over the summer that could help prepare me for quantum. Thanks for any advice
  4. L

    Linear Algebra 1: my first class

    I just had my first Linear Algebra at the Universidade Federal de Minas Gerais (Brazil). The teacher talked about vector spaces, and I found it very abstract. I am starting to think about the subject, and any comments are welcome! I just need a place to vent my thoughts and frustrations, so I am...
  5. M

    Is Taking Physics II and Intro. to Electrical Science Concurrently a Good Idea?

    For Mechanical Engineering, I'm thinking about my summer class schedule, enrollment opens soon. I am almost certainly taking Statics, and am considering Physics II. My hesitation is that I could delay Physics II until the Fall semester and just focus on Statics this summer. This would also...
  6. jedishrfu

    World class Physics and Bikinis Don't Mix

    NY Times article on the plight on Prof Paul Frampton, so similar to the Manti Teo story and such a different outcome: http://www.nytimes.com/2013/03/10/magazine/the-professor-the-bikini-model-and-the-suitcase-full-of-trouble.html?pagewanted=all&_r=0
  7. S

    Finiding a representative of the 2nd conjugacy class in A_n

    Hey everyone, I am trying to figure this out, but no luck. Help would be much appreciated. So i am considering a 5-cycle: pi = (12345) in S_5. Its centralizer in S_5 is just <(pi)>, which is contained in A5. Therefore, when we restrict our main group to A_5, the conjugacy class that contained...
  8. J

    Why Do Classroom Settings Make Me Sleepy But Not Online Lectures?

    I always feel sleepy in my class...whatever the topic is. Whether its my favorite subject or not I always feel sleepy. The professor is also very good. I have no idea why I feel sleepy. Strangely I never feel sleepy while watching video lectures from MIT, Berkley etc. I can watch them at a...
  9. J

    Dropping an EE Class: Will a W Affect Grad School?

    Is a "W" bad? I recently switched majors from EE to physics. At the moment i am enrolled in an intro to EE class. Now i want to drop this class, one because i don't need it anymore, and two, i could be working and making money instead of being there. Will the W on my transcript be bad for grad...
  10. D

    Schools Effect of Dropped Class on Grad School Acceptance

    I'm currently a Bio major in freshman year, and I currently have plans to go to optometry school. The thing is, I made the mistake of underestimating a class (Freshman Biology) and "ruined" my gpa as a result. I got an A-, which is perfectly fine, but nonetheless, if I had put forth a little bit...
  11. dkotschessaa

    What do you do when a class is so bad

    I really, really try to avoid blaming teachers and professors for bad grades. Having said that, this class is such a mess that I'm not sure what the right course of action is. I think the guy (A Phd. student) is probably in over his head. He is getting lost in class quite a bit - he hands...
  12. J

    Programs EE major that loves physics class but hates computer programming

    Is an electrical engineering major like myself going to have a hard time gettin through my bachelors if i can't stand learning a programming language? I love studying the sciences but something about cse bores the crap out of me.
  13. H

    Book advice for preparation graduate class

    hi, i'm an agriculture engineer and i want to take graduate degree in Physics -especially Astrophysics. I'm 36 years old. i need to remember many course. therefore, I'm searching best books in this forum. but i can't make a decision which them are the best... also i have these books...
  14. C

    Significant Figures and other basics in a Chemistry for Engineers class

    I'm hoping for verification here that I'm not crazy on some very very basic chemistry questions. I've worked 7 problems on a practice test (the real thing is next Tuesday). Only 2 of my answers agree with the answer key. Here are the most dramatic examples. Please tell me I'm not crazy...
  15. O

    Comp Sci Java Help: Decimal Format Class

    Homework Statement Problem: Tele-Annoy, a telemarketing company has asked you to write a program that when given the area code to dial, generates the next three potential telephone numbers, and then outputs them to the screen for one of their sales representatives to call. Use the area code...
  16. M

    Class Limits, Midpoints, Frequencies

    I have a list: 85 45 75 60 90 90 115 30 55 58 78 120 80 65 65 140 65 50 30 125 75 137 80 120 15 45 70 65 50 45 95 70 70 28 40 125 105 75 80 70 90 68 73 75 55 70 95 65 200 75 15 90 46 33 100 65 60 55 85 50 10 68 99 145 45 75 45 95 85 65 65 52 82 Sorry for the poor formatting, but I created a...
  17. C

    Backup for honours maths & physics BSc. if I get 2nd class?

    So I'm in an honours mathematics and physics BSc program. This degree is focused at those wanting to do research/graduate studies in physics and or mathematics. I'm enjoying it, but not getting 1st class... If my GPA doesn't turn out above a 3.3 or 3.5 by the end of my degree, what can I...
  18. S

    How to compute stationary distribution for martrix with more than 1 closed class

    Hi, Thank you in advance if anyone can answer this question. How any stationary distributions exists in below matrix and what are the value [ .5 0 0 .5 .25 .5 .25 0 0 0 1 0 1/6 0 0 5/6 ] Any information regarding how to compute stationary distribution in a martrix with more...
  19. V

    Integration using natural logs, help (beginning of my calc 2 class)

    Homework Statement Ok, so I have the problem, and I have the answer, but I don't know how they arrived at the answer. I'll show you the problem, and what I tried and maybe somebody can point out where I am going wrong, or some hints to put me on the right path. (2x-1)/(x+1) being integrated on...
  20. D

    Having a very hard time in my PRECALC CLASS

    Having a very hard time in my PRECALC CLASS. When they facto problems they start pulling numbers out of numbers that aren't there.. Example.. 3(4x+5)^2 (4)(5x+1)^2 + (4x+5)^3 (2) (5x+1)(5) Professor said this was the answer. a) 2(4x+5)^2(5x+1)[6(5x+1)+5(4x+5)] = b)...
  21. S

    Physics 1: Mechanics (Calc Based): Can I Do Well?

    Hey Guys, So I am taking Physics 1: Mechanics (Calc Based) this semester along with Calc 2 and General Chem 1. I am pretty worried since I have never taken a physics class and this class is notoriously hard. With enough studying and effort is this a class you can do well in regardless of...
  22. nomadreid

    Cardinality of class of worlds in quantum MWT

    Two (related) questions: (A) If I understand correctly (no guarantee to that), in an Everett-type Many-Worlds-Theory of Quantum Mechanics, every probability amplitude is associated with a world. This would mean, for a single particle, that there would be as many worlds ("be" in the sense of a...
  23. B

    Physics 3rd class in physics any advice?

    3rd class in final year (2.3 GPA)...any advice? Just incase anyone is wondering, a 3rd class is approximately 2.3 GPA http://www.ten-percent.co.uk/conversion-table-for-us-gpa-to-uk-class-degrees So I'm in my 3rd year and final year struggling with my degree in physics and just can't seem to...
  24. Astrum

    Schools General Physics vs. University Physics (and help in class selection)

    I'm taking General Physics I (already taken and passed) and II at a CC this year (in other words, algebra based). The adviser told me that it would make no difference when transferring to a university. Now I'm not too sure. From my understanding, Gen Phys 1 is not much different than calculus...
  25. H

    What class is general relativity taught in?

    I'm in the United States, taking undergraduate courses, and I believe I had what was an introduction to special relativity in Modern Physics class (Lorenz transformations, time dilation, the relativistic doppler effect, time dilation, length contraction, etc.). I just wonder what class general...
  26. Runei

    Where Can I Find Analytical Resources for Class D Amplifiers?

    Does anyone know a good book about Class D amplifiers, or perhaps some other resources? I'm looking for a place where they have a good analytical approach. Equations and stuff, and explanations thereof. Any takers?
  27. E

    Power Push-Pull Amp ( class AB )

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  28. G

    High School POE Class Interview Questions

    Hello my name is Gordon and I really need an engineer to answer these questions for me. I really consider to advance in engineering and am currently taking POE. Someone who is an engineering in any field please answer these questions they mean a lot thanks. 1:Your Name 2:Your Specific Degree...
  29. T

    Python Python: Old-style to New-style Class Conversion Causes Error

    I'm trying to convert my __init__ to __new__, but I can't find any docs on how the syntax differs or anything really, that pertains to how this bug could be caused by it. What am I doing wrong here? import copy; class grid(list): def __new__(self, size): self.size = size...
  30. M

    Java [JAVA] I seem to always need to enter the class path to run the program

    Hi, I wanted to try to use cmd to compile and run a program in java. I have sucessfully compiled it. The compiler is working properly (C:\new> javac output the compilers functions), but I'm always getting the same error: "Error: Could not find or load main class hello". When I specify the...
  31. D

    Power control of Class D Rf AMP

    I need to design a class D low power RF amp that I can control the RF output of without tampering with the input signal. I need about 200mW out @ 50 MHz but the input drive is a digital coded pulse train I can't tamper with in any way. I need class D for best efficiency and battery life. How...
  32. S

    Abstract Algebra - Group of Order 12 with Conjugacy Class of Order 4

    Homework Statement A group G of order 12 contains a conjugacy class C(x) of order 4. Prove that the center of G is trivial.Homework Equations |G| = |Z(x)| * |C(x)| (Z(x) is the centralizer of an element x\inG, the center of a group will be denoted as Z(G)) The Attempt at a Solution Let G...
  33. S

    Algebra - Finding the Order of an Element from the Size if It's Conjugacy Class

    Sorry about the long title. I recently had a few homework problems which were similar to the title of the post. I struggled a bit with them so I'm trying to find additional problems to work on until I can master these ideas... Basically, if we have a group G s.t. |G|=n, and we know G has a...
  34. C

    Which Graduate Class Should I Choose for My Materials Science Interests?

    next semester I have a choice between solid state physics and statistical mechanics. I will take the other class next year. My interests are in experimental materials science. The solid state class will focus on electromagnetic properties of materials covering crystal structure and X-ray...
  35. M

    Programs Which math class should I choose for a minor?

    Hey guys, I need to take two more math two more math courses to qualify for a minor in mathematics, but I want to pick two classes which will help me become a better problem solver. I copied the list below, in your opinion which do you feel will be a class that would enhance my problem...
  36. B

    Take the Math Class or the Programming Class?

    Hi everyone, It's that time again at my school-registration. I've been picking out my classes but I came across a rather annoying dilemma. My discrete math and data structures and program design classes conflict temporally. The discrete math class would count for my math minor, and the data...
  37. L

    Order of image conjugacy class divides conjugacy class?

    I have a surjective group homomorphism ψ:G → G', and I've shown that if an element x in G has conjugacy class C and its image ψ(x) has conjugacy class C', then ψ restricts to a surjective map from C to C'. Now I'd like to show that the order of C' divides C. I know from the class equation that...
  38. K

    MATLAB Matlab class array / other array

    Okay so what does this line of code mean: snleg = strtrim(cellstr(num2str(alf_deg.'))); I did some research and it is ultimately removing whitespace (comma's, spaces etc) from a file scanned in, but I don't understand the argument of the function. I don't understand what cellstr is or...
  39. K

    Sobolev class of loops to a compact lie Group

    I am currently reading a paper discussing the convexity of the image of moment maps for loop groups. In particular, if G is a compact Lie group and S^1 is the circle, the paper defines the loops group to be the set of function f: S^1 \to G of "Sobolev class H^1 ." Now in the traditional...
  40. Square1

    How man of you preread for a math class? All members welcome, mods,

    How man of you preread for a math class? All members welcome, mods, homework helpers etc... Talking specifically about math classes. What if an instructor doesn't give the sections to read. When I do preread, it helps a lot to focus in class and gain more from lecture. Almost always otherwise I...
  41. L

    How Is the Lifetime of a Class II Protostar Estimated?

    Homework Statement I've been working through coursework set from a module called Sun & Stars. Basically the concept I understand is that there is a theoretical way of estimating the lifetime of a class II protostar as 2x10^6 years. Using this we can estimate the lifetime of class 0 and...
  42. M

    Needing Tips for Electromagnetic Fields Class

    Just posting to ask if anyone has any tips to give for a student in a Junior level Electromagnetic fields class. We usually get about 10-20 problems/week and I manage to only get 6-7 of them done every time. Also, though I generally do well with it, I'm struggling to find the energy to read...
  43. K

    Simple Laplace Transform Question (Differential Equations Class)

    Homework Statement Laplace Transform teat Homework Equations The Attempt at a Solution http://img521.imageshack.us/img521/6449/homeworkhelp.jpg Not sure where I am going wrong. I feel like I did integration by parts incorrectly, because the anser I have boxed is not the...
  44. A

    Help! C++ Struggles: My First Programming Class

    I am taking C++ this semester, and am not really good at it. It is my first programming class, and I kind of stink, though I am trying. I don't think I'm going to get a great grade, and it will bring down my average. I was thinking of dropping it, but then had a look at the class averages...most...
  45. B

    Discrete Math Course: Conveying Material & Textbook Prep

    Hello, This semester I am taking my first discrete math course. I am thoroughly enjoying the material, but am dreading the professor and textbook. The consensus amongst my classmates is that the professor is excessively convoluted in his conveyance of the material, and that the textbook does...
  46. R

    Java [Java] Class and Driver Class help

    Hello, I am trying to figure out what I did wrong and I couldn't figure it out. here is the error code: setMake(java.lang.String) in Automobile cannot be applied to (). Class file: import java.util.Scanner; public class Automobile { private int num; //number of automobiles to...
  47. W

    Number Theory, with a proof discussed in class (not homework)

    Prove that ordda | ordma, when d|m. Some conditions are 1 ≤ d, 1 ≤ m, and gcd(a,d)=1. What I have so far: let x=ordma, which gives us ax\equiv 1 (mod m) \Rightarrow ax=mk+1 for some k\inZ Let m=m'd. Then ax=mk+1=d(m'k)+1
  48. D

    I choosing an extra class for next semester.

    I am a Freshman EE/CS major. So far, the classes I have chosen so far are: Calc 3 (4 hours) Linear Algebra (3 Hours) Basic Concepts Of Math ( Mathematical proofs, set theory, mathematical induction and recursion, binary relations, functions, definition and development of some common...
  49. D

    Struggling with teacher and class: Should I CLEP or retake?

    Hello, I think this is my first post here, but I've lurked for quite a while as a silent user and even before then as a non-user. I'm currently enrolled and majoring in pre-engineering at a community college in Mississippi. So far, I've taken Algebra, Trig, and calculus 1, and I'm...
  50. S

    What topics are covered in linear algebra class?

    What topics/chapters are covered in a typical linear algebra class? I am a physics/math major but I won't be able to take classes for a few years. I am trying to teach myself linear algebra so I can read physics textbooks. Thanks
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