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What is Sampling? What are its Characteristics, Advantages and Disadvantages?

Posted in Research Methodology | Email This Post Email This Post

Introduction and Meaning
In the Research Methodology, practical formulation of the research is very much important and so should be done very carefully with proper concentration and in the presence of a very good guidance.
But during the formulation of the research on the practical grounds, one tends to go through a large number of problems. These problems are generally related to the knowing of the features of the universe or the population on the basis of studying the characteristics of the specific part or some portion, generally called as the sample.

So now sampling can be defined as the method or the technique consisting of selection for the study of the so called part or the portion or the sample, with a view to draw conclusions or the solutions about the universe or the population.

According to Mildred Parton, “Sampling method is the process or the method of drawing a definite number of the individuals, cases or the observations from a particular universe, selecting part of a total group for investigation.”

Basic Principles of Sampling

Theory of sampling is based on the following laws-
• Law of Statistical Regularity – This law comes from the mathematical theory of probability. According to King,” Law of Statistical Regularity says that a moderately large number of the items chosen at random from the large group are almost sure on the average to possess the features of the large group.”
According to this law the units of the sample must be selected at random.

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• Law of Inertia of Large Numbers – According to this law, the other things being equal – the larger the size of the sample; the more accurate the results are likely to be.

Characteristics of the sampling technique
1. Much cheaper.
2. Saves time.
3. Much reliable.
4. Very suitable for carrying out different surveys.
5. Scientific in nature.

Advantages of sampling
1. Very accurate.
2. Economical in nature.
3. Very reliable.
4. High suitability ratio towards the different surveys.
5. Takes less time.
6. In cases, when the universe is very large, then the sampling method is the only practical method for collecting the data.

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Disadvantages of sampling
1. Inadequacy of the samples.
2. Chances for bias.
3. Problems of accuracy.
4. Difficulty of getting the representative sample.
5. Untrained manpower.
6. Absence of the informants.
7. Chances of committing the errors in sampling.

This article has been written by KJ Singh a MBA Graduate from a prestigious Business School In India
Article Published:August 14, 2010
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Comments
  • shetu July 11, 2012 at 9:37 pm

    Very nyc,easy and helpfull!thanx!!

  • comfort November 1, 2012 at 2:55 am

    straight to the point and highly helpful

  • Gabriel December 7, 2012 at 1:51 am

    Am glad this info aint pdf…thankx alot

  • UDO February 28, 2013 at 2:52 am

    the advantages of sampling. 2. random sampling. 3. statistics random sapling.

  • zay March 29, 2013 at 1:33 pm

    simple and clear

  • Ayaka Daniel April 1, 2013 at 9:30 pm

    Tanx alot de writeup is so useful

  • zay April 2, 2013 at 11:58 pm

    helpful

    • melyser February 7, 2014 at 6:30 am

      thax a lot

  • purity Chirchir April 5, 2013 at 9:40 am

    Short & straight to the point.kudos

  • ignas lyimo April 22, 2013 at 2:14 am

    it is helpful but needs more explanations in some terms

  • Shadiah Nazziwa May 12, 2013 at 1:45 am

    Thanx alot for your help

  • majnuar molla May 14, 2013 at 12:14 am

    it is very easy to understand sampling but need explanation.

  • majnuar molla May 14, 2013 at 12:17 am

    good but limited.

  • priyanka sahoo August 11, 2013 at 8:54 am

    No doubt it is useful but it it better if it is in detail….
    neways thxs

  • Sonali chandra September 14, 2013 at 8:38 pm

    Thanx

  • kayinga francis October 3, 2013 at 9:06 am

    Just What I Needed!! A Big Thank You!!

  • Victoria Secha October 14, 2013 at 5:32 am

    thanx….its useful

  • ishaq monsurat November 15, 2013 at 4:46 am

    Xtremely useful,so glad 2 av access 2 d info.

  • Israr ahmad December 4, 2013 at 8:38 am

    Thanks for help. Please do one thing more for users . How we develope questionares for research purposes?

  • Frank Ladislaus December 6, 2013 at 2:18 am

    yes, the idea is good and simple

  • aliza January 24, 2014 at 12:14 pm

    its a good one easy to understand

  • dinakrushna February 9, 2014 at 7:26 am

    thanks, I got, what I wanted.

  • sanjit yadav March 21, 2014 at 10:37 pm

    thanks for information

  • khakidy,ashraph March 22, 2014 at 11:26 pm

    I REALLY LIKE & I APPRECIATE.?

  • Aizaz lone April 19, 2014 at 12:56 am

    Thnks in case if we have less population up to 100 is it best to take all objects individually so that possible errors cannot exist or just take sampling to save time

  • Robin Millor July 26, 2014 at 12:35 am

    Really helpful, I would be very useful for us if u post a little more about it.

  • bob September 16, 2014 at 12:50 am

    Precise and really helpful n of all it’s not on the PDF format

  • Priyadarshini Ghosh October 10, 2014 at 10:33 pm

    A detailed explanation would have been better.

  • chandru mfm pg center hemagangotri hasan October 30, 2014 at 4:12 am

    its very useful to finance studied student, thankful to you sir. From mfm students hemgangotri hasan

  • Ekoh Louisa Adanma December 9, 2014 at 9:13 pm

    Very easy to understand n helpful too. Thanks

  • huzaif February 12, 2015 at 12:27 am

    thank you very much

  • flavia chumbu March 26, 2015 at 9:22 am

    thax for the information l understood better

  • NEBERTY mr mayor CHIGODORA March 26, 2015 at 9:29 am

    Go ahead with the good work,you are spoon feeding us.You are such a wooooow

  • asinyen anjeline March 28, 2015 at 3:43 am

    thank you very much

  • Bayonle Stanley Akingbule June 9, 2015 at 1:06 am

    Well detailed , thanks and GOD BLESS

  • ajak daau ajak June 27, 2015 at 12:59 pm

    it’s so helpful but more elaboration is needed for better understanding.

  • Subham roy July 9, 2015 at 1:36 am

    well its helpful and useful…thnkz

  • karuma amos August 9, 2015 at 3:46 am

    Some how helpful but much content left out…thanks for your trial

  • Mukiibi Solomon September 9, 2015 at 8:04 am

    Its NYC BT more explainations

  • najjuka cissy December 11, 2015 at 4:55 am

    Thx fo dat. Tho more explanations on the points because dey are listed out

  • FESTUS RONO March 18, 2016 at 1:00 pm

    It’s much much helping. Continue assisting in explanations. Thanks for good work.

  • jim-okello April 20, 2016 at 6:09 am

    elaborate on points,good work.

  • rana rashid May 31, 2016 at 12:08 pm

    good work

  • Pauline Gasheri July 22, 2016 at 6:01 am

    Good points but it would have been better if they have been elaborated well. All in all they have really assisted me in one way or the other.

  • Mukose Ali Killigwajo October 20, 2016 at 11:09 pm

    thnx it is helpful

  • mkulu gerodi leonard May 23, 2017 at 1:02 am

    thank you very much for the good work but to mention only is not good is better to explain for good understanding of other

  • mkulu gerodi leonard May 23, 2017 at 1:04 am

    thanks for good work

  • Pinaki Lokare January 29, 2018 at 3:45 pm

    interesting and to the point.

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