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Probability and Non Probability techniques
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## Alisha Mahajan is teaching live on Unacademy Plus

Alisha Mahajan
•Prof. at Khalsa college •VERIFIED Unacademy EDUCATOR •YouTube channel - ALISHA Academy l •Follow your passion, not what the majority is

U
Unacademy user
extremely valuable 👍
Rakhi gupta
a year ago
thank you Abhishek... keep learning :)
thank u so much mam...vey explianed...😊
Alisha Mahajan
5 days ago
Ur wc
Mam stratification me sample hr heterogeneous grup m se liya jayga ya Bs Ak pure homogeneous grup ko as a sample liya jayga
Alisha Mahajan
6 months ago
Smjho isko Like 4 categories hogayii General Obc Sc St General wale me general ayenge St me St and so on Ek bnda 2 groups me nii aaskta
please explain the stratified and cluster sampling with example
Alisha Mahajan
10 months ago
didn't u join the live class ???
Kavita Khati
10 months ago
no mam. I am new to Unacademy
Alisha Mahajan
10 months ago
ok
1. RESEARCH METHODOLOGY Important concepts

2. DESCRIPTIVE V/S ANALYTICAL RESEARCH - In Analytical Research, the researcher has to use facts or information already available, and analyze them to make a critical evaluation of the material. It involves the in-depth study and evaluation of available information in an attempt to explain complex phenomenon.

3. DESCRIPTIVE . Descriptive research is used to describe characteristics of a population or phenomenon being studied. It does not answer questions about how/when/why the characteristics occurred.... Thus, descriptive research cannot be used as the basis of a causal relationship, where one variable affects another.

4. APPIED(ACTION) V/S FUNDAMENTAL . Fundamental research helps in developing theories by discovering broad generalisations and principles. It is organised through various procedures of research like sampling, hypothesizing facts, etc. It can be experimented in a psychological laboratory.Thus, in a general meaning it is more systematic activity directed towards discovery and the development of an organised body of scientific knowledge

5. APPLIED - Fundamental research sets principles while applied research utilizes thosee principles to know the problems with best possible manner. In practice, the researcher applies laws during his field study to draw more and more clear ideas about the problems. It is undertaken to solve an immediate problem

6. QUALITATIVE Study of human behavior Also called motivation research -Techniques used are word association ,sentence completior

7. QUANTITATIVE Measures in quantity

8. KEY WORDS Literature review 1. Comprehensive review of published and unpublished work Types of data base - 1 bibliographic database 2- abstract database 3 full text data base

9. PROBABILTY METHOID Simple random -Stratified - Cluster . Systematic

10. NON PROBABILITY Convenience Purposive Judgement Quota

11. SIMULATION RESEARCH - Creative artificial environment