What is Exam: Definition and 917 Discussions

A test or examination (informally, exam or evaluation) is an educational assessment intended to measure a test-taker's knowledge, skill, aptitude, physical fitness, or classification in many other topics (e.g., beliefs). A test may be administered verbally, on paper, on a computer, or in a predetermined area that requires a test taker to demonstrate or perform a set of skills.
Tests vary in style, rigor and requirements. There is no general consensus or invariable standard for test formats and difficulty. Often, the format and difficulty of the test is dependent upon the educational philosophy of the instructor, subject matter, class size, policy of the educational institution, and requirements of accreditation or governing bodies.
A test may be administered formally or informally. An example of an informal test is a reading test administered by a parent to a child. A formal test might be a final examination administered by a teacher in a classroom or an IQ test administered by a psychologist in a clinic. Formal testing often results in a grade or a test score. A test score may be interpreted with regards to a norm or criterion, or occasionally both. The norm may be established independently, or by statistical analysis of a large number of participants.
A test may be developed and administered by an instructor, a clinician, a governing body, or a test provider. In some instances, the developer of the test may not be directly responsible for its administration. For example, Educational Testing Service (ETS), a nonprofit educational testing and assessment organization, develops standardized tests such as the SAT but may not directly be involved in the administration or proctoring of these tests.

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  1. L

    Tips for Solving Probability Problems Before Exam

    Homework Statement Tomorrow I am having probability exam ,but the main issue remains. I need tips in solving problems. Example ,when would the question be related to permutation or independent events or else .I know how to solve it which is pretty easy in probability but I need more tips...
  2. C

    Testing Failed midsem EM exam, to drop or not to drop?

    I'm doing an electromagnetic fields and waves course. The first part of the course was mainly about transmission line's, using the Smith chart and a host of equations that comes with transmission lines...we had a mid semester exam and i got 13/30, which i wasn't happy about but i didn't put in...
  3. S

    Differential Eqs on GRE Math Subject Exam

    Hi, does anyone know the extent to which differential equations are tested on the GRE Math Subject test? I basically looked at Princeton Review's review, and reminded myself of the following: -Basic DE's (immediate integration) -Solutions to f' = f, y'' + y = 0 -Separable DE's -Homogeneous...
  4. N

    Testing First exam results are back, and I need to up my game

    First exam results are back, and I need to "up my game" I'm a freshman engineering major. I just got the scores back for my calc I and physics I tests today, and I got an 89 on both of them. I know that's a pretty good grade (above the class average), but it was the first test and will...
  5. G

    AP Physics: Do you think I lost points for this on the AP exam?

    Homework Statement Well I was rather shocked when I got a four instead of a five and am wondering if I lost points for this. According to my teacher the way the college board states it is that student's must have a reasonable appreciation for significant figures and that is all. So during...
  6. M

    LaTeX Adjusting Vertical Spacing & \pointsdroppedatright in Exam Document Class

    I am currently producing an exam paper. My friend suggests me using the exam document class. It's quite convenient most the time and I almost finish my work. But there are 2 things that I am not satisfied with: (1)the default spacing between questions, parts, subquestions How can I adjust the...
  7. agro

    Analysis graduate school past entrance exam

    Hello there. I'm studying for graduate school entrance exam (nagoya university), and analysis is part of it. I've learned calculus on my undergraduate course but since I didn't get differential equations, I'm kinda learning it by myself right now. The questions are from past problems which are...
  8. P

    Exam question: conservation law

    http://img198.imageshack.us/img198/1946/blahz.jpg Uploaded with ImageShack.us 1. Given data Ball: I (moment of inertia), m (mass), R (Radius), V0 (Velocity, as shown ), \omega_{0} (angular velocity, as shown). The ball collides instantaneously with the wall and immediately after this...
  9. M

    Understanding the Magnetic Field Boundary Conditions for an Infinite Cylinder

    Homework Statement An infinite cylinder (radius a) with a uniform volume charge density rho_v is given. The axis of the cylinder coincides with the z axis. The following magnetic field exists: B=B0cos(wt+a) for r<=a (i.e., inside the cylinder and on its walls) B=0 for r>a...
  10. T

    Probability student exam problem

    Homework Statement A class is given a list of 20 study problems from which 10 will be on an upcoming exam. If a student knows how to solve 15 of the problems, find the probability that the student will be able to answer (a) all 10 of the questions on the exam. (b) exactly 8 questions on the...
  11. T

    Engineering Exam question: synchronous motor excitation

    Here is a multiple choice question i was completely stumped on, and still can't find the right answer for in my textbooks... Name 2 forms of excitation with respect to synchronous motors: a) under and over excitation b) dc & ac variation c) dc excitation and load variation d) armature and...
  12. J

    Proving Non Singularity of Square Matrix is Necessary for Invertibility

    Q:Prove that a square matrix A is invertible iff A is non singular. My Ans: Since the inverse of a square matrix is given by, A^ = (1/|A|)adj.A (Where A^ is A inverse) If |A|=0, A^ is not defined. i.e, A^ exist only if A is non singular. In other words, a square matrix...
  13. T

    Exam Question: Rolling Ball on Concave Surface - Is Work Done?

    Homework Statement A question I had in an exam today, just wanted to see whether it was right: A ball is rolling down the inside of a concave surface. The radius of the ball and the curvature of the surface is such that there is no slide. Is work done by a) the friction force b) the Normal...
  14. S

    Help Needed: Self-Studying for A Level Mechanics 2 Exam

    Hi :) I’m self-studying for my A Level mechanics 2 exam (it’s in 4 days :S) and there’s a problem in my book that I just can’t solve. Any help would be really appreciated. :) Homework Statement Find the sum of the moments about the point P of the forces shown in the diagram...
  15. J

    A Heat Conduction Problem (Final exam on Monday)

    Homework Statement I need to go into this test with great aplomb. In each of Problems 1 through 8 find the steady-state solution of the heat conduction equation a2uxx=ut that satisfies the given boundary conditions. 1. u(0,t)=10, u(50,t)=40 ... 3. ux(0,t)=0, u(L,t)=0...
  16. L

    Exam based on Mastering Physics anyone?

    Hi, I've been using this forum for a few months now and am really appreciating it - thanks to the anonymous people out there. To the question at hand - I have an exam that is based on the Mastering Physics questions. I know that the 90/150 of the marks will be multiple choice and will be from...
  17. G

    Thevenin's theorem application. HELP (this is for an exam in 2 weeks)

    Homework Statement question 3 part b ( see attachment) Homework Equations thevenin theorem The Attempt at a Solution the answer should be 10.98v for Vth (thevenin equivalent voltage) all my attempts were unsuccessfull. I found voltages such as 22.2 volts i think I lake...
  18. L

    Physics parallel circut question ( Test Exam)

    Physics parallel circut question ! ( Test Exam) "URGENT" Here is the image http://img168.imageshack.us/img168/606/physexam.jpg" The image is slightly blury, however still readable! IF YOU ARE UNSURE OF WHAT THE IMAGE READS... the following information relates to question 4 and 5...
  19. M

    At what distance will the Moon's pull exceed the Earth's?

    Homework Statement A spaceship is launched and starts moving directly towards the Moon. At what distance from the Earth will the pull of the Moon, on the spaceship, exceed the pull of the Earth? Ignore the effect of the sun in this calculation. Homework Equations F=G(M1M2/r^2) The Attempt...
  20. S

    ACS Physical Chemistry Final Exam

    Hello, I am going to be taking the ACS physical chemistry exam in a few days and am trying to find out the materrial that will be on it. The ACS website leaves out a lot of stuff in there description.
  21. M

    Feynman Diagrams for Exam Prep: Position vs. Momentum Space

    I'm learning how to do Feynman diagrams for an exam coming up, and have come across diagrams in both position and momentum space. If I'm asked to draw a Feynman diagram without specifying which kind, is it generally assumed that it's in position space? If I label the the incoming and outgoing...
  22. B

    Second Semester Physical Chemistry ACS Final Exam

    I am taking an undergrad course P Chem II: Quantum Chemistry and Spectroscopy...and the final is a standardized exam from the ACS. I was just wondering if you guys had any tips or knew where to find old exams to practice with. I just was looking for any advice in general too. Thanks a bunch!
  23. P

    Complex Analysis (Practice Exam)

    Homework Statement This question is in my exam review problem from my complex analysis class. Compute f(100)(0)/100!, where f(z) = 1/(1+i-sqrt(2)z). (f(100)(0) means the 100th derivative of f evaluated at 0.) Homework Equations Cauchy's integral formula might be helpful. The answer to this...
  24. Shackleford

    How to Tackle Quantum Mechanics Integrals for Modern Physics Exam?

    URGENT HELP NEEDED - Last Modern Physics I exam tomorrow I've done reasonably well in the class so far. However, I have not done well since starting modern quantum mechanics. The last several problem sets have covered quantum mechanics, and I failed Problem Set 6. I've never failed anything in...
  25. V

    Testing Did anyone else have post-exam regrets like me?

    Hi all. finished the first two papers from my final degrees in physics. Paper 1 was fine but paper 2 was just horrible . I attempted 3/4 q's not all greatly, My question is: Has anyone else here left an exam feeling rotten about what they answered and after a few results showed you didnt too...
  26. B

    Four-Vectors: Definition Issues & Exam Prep

    Im having some four-vector definition issues. I have a relativity exam coming up and they quite often ask about 4-vectors. 1) Does this definition sound ok? 'A four-vector is 4 numbers, say X=(X0, X1, X2, X3), used to describe an event in minkowski space. The 'zeroth' is the time component...
  27. S

    Mechanics of solids question from my mid semester exam

    Homework Statement A small dam of triangular shape as shown is made from concrete. Find the stresses on the foundation at A and B. Assume concrete and water weighs 25kN/m^3 and 10kN/m^3 (All dimensions in the attached picture are in metres) Homework Equations sigma = force/cross...
  28. matqkks

    Exam Questions in Engineering Mathematics

    Does anyone know where I can find engineering exam questions on the web. I am trying to do a survey of various questions from different universities.
  29. T

    Approaching the Limit: Solving a Tricky Exam Problem

    limit problem from past exam. :( Homework Statement Problem from an exam that I just did is really bugging me. lim(x,y)->(0,0) (x*y2)/(x2+y4) The attempt at a solution[/b] At first I thought the limit didn't exist. I tried using paths, x=y1/2, but then I couldn't find a counter example for...
  30. E

    Can someone validate my practice exam answers

    I have a good few past exam papers to practice but they don't come with solutions so I don't know if I'm answering them correctly or not. If anyone has the time can you tell me if I'm on the right path or not with these physics questions. Note: To keep it short I'll write the scientific...
  31. L

    Is This Physics Exam Question Too Challenging for Pre-Med Students?

    Hey, I am currently taking the pre-reqs for medical school and was wondering how difficult this question is for anyone interested. It was on our most recent exam and for Physics I, and I found this question to be too difficult considering there was another difficult conceptual problem (where...
  32. O

    Testing Is This a Good Strategy for the AP Physics B Exam?

    So i got this crazy physics teacher who doesn't actually teach physics. And this is not one of those comments from a lazy kid who doesn't want to learn and uses his teacher as an excuse. On the contrary: I LOVE physics hence i keep getting good grades since i actually teach myself from the book...
  33. V

    What Determines the Range of Bound States in a Spherical Finite Well?

    Homework Statement I was reviewing some homework problems and looking at the solutions. There is one problem with a tiny step I just cannot rationalize and I am hoping someone can point me in the right direction. I have a spherical finite well: V = {- V_{0}: 0 < r < a}, = {0: r...
  34. J

    Need Answers for AP Physics B 2004 Exam To check work.

    Need Answers for AP Physics B 2004 Multiple Choice Exam To check work. I've completed the exam during my spring break. Willing to trade.
  35. H

    Final Velocity of 75mm Cylinder: 8.07m/s

    Hi everyone, here is one I am really struggling with... 1.Determine the final velocity of a solid cylinder of a 75mm diameter with a mass of 1.4kg if it is moving along a slope of 25 degrees. The total distance traveled down the slop is 11.8m The answer that I reach is a a final velocity...
  36. A

    What are some possible questions for an Oral Exam in Electromagnetic Hi?

    Hi! I am having an Oral Exam tomorrow, and the only clue about what's coming is this: Being able to describe in an adequate way a solution to everyday electromagnetic issues. I thought I should prepare my self a little bit, so I wanted to ask someone here about what kind of things that...
  37. M

    How Fast Will a Charged Object Travel Between Differently Charged Plates?

    Homework Statement A positively charged plate is help 5.0 cm above a negatively charged plate. The potential difference between the two plates is 500 MV. A negatively charged object of mass 3.00 grams is plaved on the bottom plate. If the object has a total charge of 100 million electrons...
  38. M

    Need Help with Exam Prep - E-field and Electric Flux Problems

    Need urgent Help - Exam tomorrow Homework Statement question 1: A 2.0 cm piece of wire with a linear charge density 4.0 micro C/m is bent into a quarter circle. a) what is magnitude and direction of the E-field at the center of the curvature? b) what's the distance from the wire to the...
  39. C

    Java Was this unfairly graded? (java exam)

    On a recent java exam we had a problem that asked to capitalize the first word in each sentence a user entered, and echo back the new string. The example that was given was this: good morning. this is a good day. are you ready for the exam? -------> Good morning. This is a good day. Are...
  40. T

    Abstract Algebra-Pre Exam questions

    Homework Statement Question 1: Let \sigma_{1}, \sigma_{2} be two cycles of length n in the symmetry group S_{n} . Prove that if \sigma_{1} & \sigma_{2} commute then there is a natural number r such as \sigma_{1}^{r} = \sigma_{2} . Question 2: A. Does the groups D_{3}xZ_{5} and...
  41. N

    How Is Charge q2 Calculated Using Electric Potential and Field Equations?

    Have exam tomorrow. I know I should have studied before and more, but please help. If you know the answer, please take some time to reply. Thanks very much. Homework Statement There are two charges, q1 = +4.5nC, and q2, ?, which are at distances d1 = 2.5cm and d2 = 2.0cm, from a point...
  42. A

    Exam review question (acceleration)

    Homework Statement A force of 1 N pushing on a mass m1 results in an acceleration of 1.0 m/s2. The same force acting on mass m2 results in an acceleration of 3.00 m/s2. What is the acceleration a3 for the same force pushing the combination of m1 and m2? Homework Equations well I know...
  43. B

    Testing A.P. Physics B exam for regular physics student

    I am planning to take the A.P. Physics exam B at the end of the school year. My question is, will this be ridiculously difficult for me? In my regular physics class, we have quite a slow pace on moving forward (We're only on centripital force!). How much will I need to know in order to pass the...
  44. jacksonpeeble

    Schools Is the College Board AP Physics exam worth stressing over?

    Has anyone here taken the College Board AP Physics exam? I'm currently taking AP Physics online and hate it (more because it's online than the difficulty of the content, though, I think). I'd like the college credit, but it can hurt if I do poorly, too, and I'm not sure how well I'll be...
  45. K

    I lost 10/100 points on a physics exam

    and that's because i didnt finish the calculations on the second exercice i had a square root of something and i left it like this, she told me that i had to calculate the square root too, but i didnt have the time and that's why i left it like this if you were the teacher would you do the...
  46. L

    Schools College: Credit by exam for pre-calculus

    In high school I had some issues with my geometry teacher in sophomore year and I ended up never taking any math courses so I ended up with twice as many science credits as math. Right now I'm going to college for the first time(this spring semester at a local community college) and classes...
  47. Y

    Questions from our Physics Periodical Exam

    First Question: A 0.45 N block is given on initial velocity of 5.3 m/s along a horizontal surface. If the coefficient of friction between the block and the surface is 0.25, how far will the block move before coming to rest? How long will it take the block to stop? Second Question: A hospital...
  48. S

    Provincial Exam: Simple momentum explosion question

    Homework Statement A 1.0kg physics puck is at rest when a small explosion breaks it into three pieces. A 0.50 kg piece, goes north at 10 m/s, a .3 kg piece goes east at 20 m/s. What is the magnitude of the momentum of the third piece. Homework Equations p = mv Momentum Before =...
  49. E

    Identical Particles Take Home exam :

    Homework Statement Two non interacting particles in an infinite potential well. ψn and ψl conditions (n≠l) find <(x1-x2)^2> when: 1-)particles are distinguishable, 2-)particles are indistinguishable bosons 3-)particles are indistinguishable fermions
  50. T

    Studying for exam- telescope problem (help )

    studying for exam- telescope problem (help!) Homework Statement What diameter optical telescope on the Earth would you need to resolve a lunar lander 3 m across on the surface of the moon 3.8e8m away? Homework Equations The Attempt at a Solution the only thing I can think of is...
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