A Sample Research Questionnaire

1. Republic of the Philippines
Department of Education
Division of City Schools-Tagbilaran City
DR. CECILIO PUTONG NATIONAL HIGH SCHOOL-SHS
Tagbilaran City, Bohol
MR. LEGARDO R. PALACA JR.
Assistant Secondary School Principal II
Dr. Cecilio Putong National High School-Senior High School
CPG North Avenue Tagbilaran City
Dear Dr. Palaca,
Greetings of peace and love!
We, the students of Grade 12- TVL- Food Processing students of Dr. Cecilio Putong National High
School are having an experimental research study entitled “BILIMBI FRUIT VINEGAR”. This research
is in partial fulfillment for our Practical Research II subject.
In this connection, we the researchers respectfully request your permission for us to conduct a
survey inside the campus.
With all sincerity, we are grateful for your support and endorsement which is vital to the success of
this study. Rest assured that all data gathered will be solely used for the study and will be taken
utmost confidentiality.
More power to you and Godspeed.
Respectfully yours,
Sgd. VICTORIA JOLI SORIÑO
Group Research Leader
Noted by:
Sgd. JERLYN MAE Q. LUMAMBA
Practical Research II Teacher
Approved by:
Sgd. LEGARDO R. PALACA JR.
Assistant Secondary School Principal II-SH
Republic of the Philippines
Department of Education
Division of City Schools-Tagbilaran City
DR. CECILIO PUTONG NATIONAL HIGH SCHOOL-SHS
Tagbilaran City, Bohol
THE RESPONDENTS
Dr. Cecilio Putong National High School-Senior High School (Academics)
Dear Respondents,
We, the students of Grade 12- TVL- FP students of Dr. Cecilio Putong National High School are
having a experimental research study entitled “BILIMBI FRUIT VINEGAR”. This research is in partial
fulfillment for our Inquiries, Investigation and Immersion subject.
With all sincerity, we are grateful for your support and endorsement which is vital to the success of
this study. Rest assured that all data gathered will be solely used for the study and will be taken
utmost confidentiality.
In this regard, we would like to ask your support as one of our respondents in our study. Please be
informed that:
The survey will last about 5-10 minutes.
All data that will be obtained shall hold confidential and anonymous.
You shall receive information about the nature of the study and our results after we have obtained
it.
That this survey will not subject you to any physical or emotional harm as a result of this study.
That you have the right to refuse or decline at any time without penalty.
Thank you very much and God bless!
Respectfully yours,
Sgd. VICTORIA JOLI SORIÑO
Group Research Leader
Noted by:
Sgd.JERLYN MAE Q. LUMAMBA
Practical Research II Teacher
Approved by:
Sgd. LEGARDO R. PALACA JR.
Assistant Secondary School Principal II-SHS
CONSENT FORM
I, ______________________, have been fully informed of the nature of this study, my rights as a
respondent, and I have been fully assured of the confidentiality of the information I will be giving to
the researcher.
I have fully voluntarily affixed my signature in assent to my participation in the study.
Respondent’s Signature: ___________________ Date: ___________________

2. BILIMBI FRUIT VINEGAR
Sensory Evaluation Form for the Outcome Study of Bilimbi Fruit Vinegar with
Different Treatments
Good day!
We are the Grade 12- Food Processing students of Dr. Cecilio Putong National
High School. Please help us accomplish our research study by answering this
questionnaire. Please note that there is no right or wrong answers for this questionnaire.
However, please answer carefully with all honesty. Do not skip an entry or statement.
Please read and follow the instructions carefully. Rest assured that ALL information
gathered from this form will be kept highly confidential.
Thank you!
General Instruction: The following statements are the sensory evaluation form on the
outcome study of “Bilimbi Fruit Vinegar “with the different treatment. Please put a check
mark (√) inside the box that corresponds to your answer.
PART 1: RESPONDENT’S PROFILE
Name (Optional): __________________
Instruction: Using a scale of 1 to 4, where one is the lowest and four is
the highest, rate the acceptability of the products in terms of the following
criteria/attributes.
Range DESCRIPTION MEANING EQUIVALENT
WEIGHT
3.25-4.00 Like Very Much Denotes strong positive
preference
4
2.50-3.24 Like Denotes moderate positive
preference
3
1.75-2.49 Dislike Denotes moderate negative
preference
2
1.00-1.74 Dislike Very
Much
Denotes strong negative
preference
1
Note: Drink water or rinsed your mouth with water provided after each tested
sample.
PART II: T1 – T3
Attributes Criteria T1 T2 T3
A. APPEARANCE- refers to the visual
characteristics of Bilimbi Vinegar.
1. It is a bit yellowish.
2. It has a crystal clear visual presence.
3. It has a good visual look.
4. It shows an inviting charm.
4- Like Very
Much
3- Like
2- Dislike
1- Dislike Very
Much
B. TEXTURE- refers to the physical properties of
Bilimbi vinegar, including its ability to mix well with
food.
1. It exhibits no visible stickiness before being mixed
with food.
2. It maintains a steady texture.
3. It shows no signs of being squeezed, blended, or
steamed.
4. It seamlessly enhances dish flavours without
changing its own properties.
4- Like Very
Much
3- Like
2- Dislike
1- Dislike Very
Much
C. AROMA- refers to the smell of Bilimbi Fruit
Vinegar:
1. It has the natural essence of Bilimbi.
2. It smells sour.
3. It has the aroma of vinegar.
4. It has a refreshing tangy scent.
4- Like Very
Much
3- Like
2- Dislike
1- Dislike Very
Much
D.TASTE – refers to the overall profile flavour of the
Bilimbi Fruit Vinegar
1. It offers a sour taste.
2. It strikes a balance, avoiding being too bland.
3. It delivers a tasty and enticing flavour profile.
4. It gives a vibrant and refreshing taste.
4- Like Very
Much
3- Like
2- Dislike
1- Dislike Very
Much
A. OVER ALL LIKING 4- Like Very
Much
3- Like
2- Dislike
1- Dislike Very
Much
1. What emotions or impressions does the appearance of Bilimbi Vinegar evoke for you, and how
does it influence your expectations of its taste and quality?
2. How would you describe the overall flavor profile of Bilimbi Vinegar, considering its sourness,
balance, and any other distinctive qualities?
3. How does the aroma influence your anticipation of its taste?
Thank you!--Researchers