DATA COLLECTION

(METHODOLOGY)

GROUP MEMBERS :

Nur Farahin bt Abdul Razak A12CS0226

Nurazah bt Mohamad Nusran A12CS0229

Nurul Aishah bt Mahadun A11CS0107

Suhaida bt Yusof @ Tajuni A12CS0241

LECTURER:

Miss Nur Hazwani bt Mohd Muhridza

Data Collection

O A process of collecting data from different sources.

O Two categories:

O Primary data

O Secondary data

Primary Data

O Come from your own investigation

O Can be obtained through one or a combination of

techniques.

QUESTIONNAIRES

interviews

experimentsobservations

experiments

Secondary Data

O Come from reading that what others have

experienced and written.

O Can be found in different places

throughout the report.

O Quote and paraphrase the statements.

samplingTARGET POPULATION

SAMPLE

SPECIFIC POPULATION

O Sampling – ideally in collecting data for

research, include whole population to

complete the survey .

O Sample – is a subset of the population

being studied.

O Population – bigger target group of the

study which results of research applicable.

Problem to be investigated

Causes Of Coming Late To

Classes Among Faculty of

Computing Students.

Target populationAll Faculty of Computing

Students.

Specific populationAll Students of Kolej Tun

Razak (KTR) Residences.

Sample

Hundred Students between

male and female of Kolej Tun

Razak (KTR) Residences.

RELATIONSHIP BETWEEN SAMPLE AND POPULATION

Type of Sampling

1. Random Sampling – every member of the population has equal probability to be chosen to participate in research.

2. Non-Random Sampling –respondents selected based on certain criteria.

CATEGORIES & DEFINITIONS EXAMPLES

Simple – every member has an

equal chance to be selected

A box have names of all lecturers.

Someone pick 100 number from

the box.

Stratified - the entire population

is divided in relatively

homogeneous group.

All the students of a school may

be divided in groups of boy and

girls.

Cluster – Use when the studied

population is spread across a

wide area

In a study of the opinions of

homeless across a country, a

number of towns are selected and

a significant number of homeless

people are interviewed in each

one.

RANDOM SAMPLING

CATEGORIES & DEFINITIONS EXAMPLES

Systematic – every nth person in

population list is selected.

An observation may be made

every half an hour,

From a long queue of people

every fourth person may be

selected.

Convenience - a collection of

subjects that are accessible or a

self selection of individuals

willing to participate

Using subjects that are selected

from a clinic, choosing the first

five names from the list of

patients.

Purposive - the researcher

selects units to be sampled based

on their knowledge and

professional judgment.

Research about feelings of being

inmates in prison, a researcher

selects sample by visiting

different prison.

NON-RANDOM SAMPLING

O Questionaire

O Interview

O Observation

O Experiment

O Systematic compilation of questions

O Distributed to an identified group of

people

O Can be administered whether using

Survey, Mail, Telephone and Internet.

O Tips to prepare questionaire:

O Write purpose & benefit of study

O Provide clear instruction

O Ask only relevan questions

O Avoid leading ,ambiguous questions

and asking two things in one question.

Type of Questionaire

O Open-ended questions

O Give opinion, ideas,suggestion or

comments.

O Example: Why you choosen the

product?

O Closed-ended questions

O Yes/No Question

O Likert-Scale

O Listing

O Ranking

O Category

Example of Scale Question

Example of Listing Question

Example of Category Question

O Two way communication which permits an exchange of ideas and information

O Conversation carried out to obtain specific information

O Type of InterviewO Structured –standardized , folllow list of

question

O Semi-structured –ask based on previous prepared question and some other unprepared question based on interviewees’ answers

O Unstructured –more flexible, interviewees and interviewers have freedom to express themselves, like conversation

4 Process of interview

1) Identify credible individual to be

interview

O Write or call person

O Set time and place

2) Do your homework

O Prepare questions

O Learn terminologies/vocabulary related

to topic

3) Carry out interviewO Be on time, dress appropriately

O Ask permission –used tape recorder

O Get to know the person before start

O Ask question that produced extended response

O Limit Yes/No questions

O Let the person finish first

O Be attentive to ask follow up question

O Probe to clarify ambiguous responses

O Summarize ideas

O Show your appreciate time for time and

cooperation given

4) Analyse the response

O Look over your notes, write any response that you

missed

O Reflect upon the interview by giving honest opinion

O Prepare an observation sheet

O Take note of everything you observe

within the observation period.

O To verify physical laws, principles and

theory, measure or determine physical

properties, compare experimental with

theoretical results.

DESCRIBING THE METHOD USED IN

RESEARCH

• Need to consider the questions:

Who were the subjects or respondent?

How were the subjects/respondents selected?

What were the instrument used?

Main elements in research method

Purpose or objective of the research

Short description of the issue or problem to be

investigated

Location of the data collection

Population and sample or respondents of the

research

Data collection methods

Data analysis methods

Research Method

O2 PARTS :

1) Overview

Information about the study in general

Purpose/objective for conducting a research

Location where the data collected

Method of data collection

Research Method Cont…

2) Body

Respondent

Location

Methods of data collection

Methods of data analysis

Research methodology section

O 3.1 Introduction

O 3.2 Research Instruments

O 3.3 Respondents of the Study

O 3.4 Research Procedure

O 3.5 Data Analysis

OTHANK

YOU!