Telephone Survey | Online Market Research in Vietnam | Macromill South East Asia Vietnam

Telephone Survey

A "Telephone Survey" is one of the Research tools to collect the data with fast and high quality, with the best efforts in the short length of questionnaires (~ 20 Q). The outstanding advantage of this kind of service is the expediency to reach to all general Vietnamese population with any demographic attributes. With our experienced staffs, the telephone survey will be conducted to meet the highest performance results as well as analysis (optional). Therefore, telephone survey methodology could be one of your best choices to improve your company performance within the short period of time.

Rich Panel

Recruiting targeted respondent from our online panel

List of respondent telephone number are available at profiling data. We have largest panel data in Vietnam. Please check our panel book for reference

Technical Research

Our experienced researcher ready to assist your project

We are capable to combining Telephone survey with other techniques like PAPI (Paper and Pen Interview), CAPI (Computer-assisted personal interviewing) to deliver the suitable data result for client.

Text Mining

Get most of quantitaive insight into your data

Our researcher can provide cluster analysis based on Free Answer question type (FA) along with raw data, text mining, cross tabulation. We also provide system to organize observation for unaided people with short length of FA.

When Timing Should be Used?

  • Recognition of advertising
  • Audience research of TV program
  • Cognition and evaluation study of TVC
  • Customer Satisfaction Survey (CS survey)
  • Usage Trend Survey
  • Brand awareness
Telephone survey

Case Study

The telephone survey on awareness of TVC

After the TVC has been broadcast, you may see the commercial, for example, or with what kind of impression. You can carry out a survey for the purpose of such contact ratio with the powerful effect. Moreover, our company service can provide you telephone number lists with the randomly follow-up call to the target respondents among differnce in demographic attributes.

Events Follow telephone satisfaction survey

"Exhibitions" or "the event seminars", among of these events we are being convenience to follow up the target respondents by telephone questionnaire format. Aggregation of visitors questionnaire, data of the business card, we could give you the best effective performance of events in conjunction with such gratitude mail to visitors.

Types of Telephone Surveys

1. PAPI (Paper and Pencil Interview)

Data obtained from the interviewer will be write down on the paper with pencil.


_Rapid data collection
_Effective for the questionnaire that easy to understand


_Take time when putting the answer from the writen questionnaire paper into computer.

2.CATI (Computer Aided Telephone Interview)

With computer system management program, the data results from telephone survey will be recorded directly into it. Begin with create the questionnaire throughout the process of recruitment, computer aided telephone survey could be the benefit to manage with a fast collect data process with correction as well as summarize the data into analysis report.


_Quick data collection
_No constraint on demographic conditions: well applied to broad geopgraphic zones - no restriction on respondent's location.
_Technically reliable


_The methodology is not suitable to be applied on long questionnaire, or questionnaire with matrix questions
_No visualization
_Sensitive information should not be detected through this methodology

Process of Telephone Interview

1. Research Order

Client provides Macromill South East Asia Vietnam with subject objective, target respondents condition, as well as project constraints (timeline & budget).

2. Research Proposal / Quotation

Macromill South East Asia Vietnam prepares a proposal to meet client's requirement for the study according to the telephone number lists and feasible respondents with our channel.

3. Project Confirmation and Contract Signing

Confirmation with signed agreemnet contract will be provided by client to Macromill South East Asia Vietnam. After two-side agreed with the terms of contract, Macromill South East Asia Vietnam confirms the project schedule management and start primary preparation.

4. Questionnaire / Screener Creation/ Translation

Macromill South East Asia Vietnam prepares Questionnaire/Screen in local language, fieldwork management plan with incentive scheme to the target respondents.

5. Phone Interview Team Meeting and Training

Before starting to conduct the real survey, our project management team will have a meeting and dicussion to clarify the project criteria in order to prevent any misunderstanding and mistake occur during conducting survey. In addition, understand the questionnaire as well as training interviewing skill is needed to make the process go smoothly.

6. Recruitment - Contact List of Target Respondents

The advantages from conducting this type of survey study with Macromill South East Asia Vietnam is client can choose thier target respondents telephone number lists from Yimresearch panel catagories, for example, business directories, public contacts on the internet, and others.

7. Fieldwork/ Telephone Interview

Interview team gather at Macromill South East Asia Vietnam office building up phone center. Each interviewer is given with a segmented list of respondents to call, keeping up to reach their complete target. Those who refuse answering survey are marked for checking dropping out rate after execution. Respondents list is filled up by recruitment team in case dropping out rate is too high within execution. This is to be controlled by project supervisor or management team at Vinaresearch.

8. Data Input

Data Input is carried out at the same time with Telephone interview, or after interview period depends on client's timing requirements. Interviewers directly input data or the work is assigned to another specialized team at Vinaresearch.

9. Data Cleaning and Processing

The stage includes Logic check and Data quality control for removing bad samples data (spam). The data which is already cleaned will be analysed into GT (Grand Total), Cross Tab (Cross Tabulation) and others based on Client's requests.

10. Delivery: Report

Analyzed data are displayed in graphs and charts in Summary Report or Topline Report.

numer of panellist



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  • Tokyo +81(3)5421-7925
  • Okayama +81(86)293-2934
  • Osaka +81(6)6390-1441
  • Jakarta +62(21)5095-8311
  • Bangkok +66(2)6530-411
  • Hochiminh +84(28)3848-3731