Methods
of collecting information
After selecting the sample size and
sampling
method appropriate to require it choose the appropriate way to collect
data and
information for the phenomenon or phenomena related to such a study, the
most
important means of collecting information the following:
- Data collection, direct
style.
Under this method is the collection of data
and
information available to the specific devices related to the study, for
example, when studying the evolution of the daily income of a family,
you can
refer to the Central Bureau of Statistics, for example, selection of
time
series data on national income in Iraq, admittedly this technique can
provide
data nature of laboratory and grades, which are made by the researcher.
As well
as when to conduct a study on the effectiveness of a drug in the
treatment of
disease, also a researcher himself to the design work for this
experiment and
record the results, which represent the data required for this search.
Questionnaires.
It is a
form through which to collect data and
information of the vocabulary of the study population or research sample
by
addressing the individual researcher s personal statistical or through
correspondence. Must dont forget the following points when designing the
form.
1 - Introduction to the preparation of an
explanatory type
at the beginning of the form.
2 - to be
serialized form paragraphs and scattered, so
that each type to achieve a particular purpose.
3 - questions
that are medium in number.
4 - We must be questions and
a clear meaning.
5 - We must create the form
in which questions where
answered by the individual-specific and short. 6 - We must
take into consideration the circumstances of
the discharge, classification, tabulation and coding the answers.
Alsaiap errors in data
collection
Sometimes happens that
the
researcher is located in some of the mistakes the Juma data, and these
errors
occur as a result of the misuse of statistical method and these errors
are:
1 - line bias.
When
collecting
evidence is supposed to be collected from their original sources, but
that in
some cases, data are collected from sources other than their original
sources,
for example, when studying the wishes of children on the basis of a
sample of
children, a group of families, it is natural that the exact source of
this kind
of information is the mother as having the sufficient information on the
child
due to live with him, either in the case of a researcher taking
information
from other sources, it is very likely to fall in line registration
wishes of
the child and thus affected the overall results of the study of these
errors.
2-Line of chance.
This type of error occurs when the researcher to
collect
data and information based on personal information or collect this data
from
some of the vocabulary without the other, or collects data incomplete
Sppaulakhar.
Classification and
tabulation of data
The data of acquired about the
phenomenon designated called raw data or preliminary and that data are
not
systematic and is difficult for the researcher an idea of ??the phenomenon studied, as
well as difficult to rely for the purposes
of statistical analysis, so
the important steps that follow the data collection process is the
process of
review and classification and tabulation of data.
Review the data
After coming - Mam data
collection process
should be reviewed those data and Coding for the purpose of ascertaining
their
conformity with the requirements and complementarity of the study.
Tab data
After completing the data
classification begin the process
of disaggregation of data and is intended categorization of data, dump
the data
classified in the special tabulations so that every part of the
disaggregated
data on the phenomenon mapped back to a certain level of that
phenomenon, the
aim of the tab is to highlight the data and clarify the narrowest space
as
possible so that we can an idea of ??it. There are a number of
the most important forms tab the following:
1 - Time tab
Is a compilation of
disaggregated data
arranged in tables on the basis that each collection which is ascribed
to a
particular unit of time as today or next week or month or year.
2 - Geographical tab.
Is a
compilation of disaggregated data
arranged in tables on the basis that each collection, including a
special unit
or a particular geographical administrative division specific.
3 - tab quantitative
Is a compilation of
disaggregated data
arranged in tables on the basis that each collection, including a
special unit
a certain amount of units of weight, height, width, distance.
4 - tab based on a particular trait.
A process
of gathering evidence and tables
arranged in particular on the basis that all involved in the collection
of
specific, such as race, marital status, job title, nationalism.
المادة المعروضة اعلاه هي مدخل الى المحاضرة المرفوعة بواسطة استاذ(ة) المادة . وقد تبدو لك غير متكاملة . حيث يضع استاذ المادة في بعض الاحيان فقط الجزء الاول من المحاضرة من اجل الاطلاع على ما ستقوم بتحميله لاحقا . في نظام التعليم الالكتروني نوفر هذه الخدمة لكي نبقيك على اطلاع حول محتوى الملف الذي ستقوم بتحميله .
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