Quiz #3: Practical Research 1 and 2
NAME: _________________________________ DATE: _____________________
GRADE 12-HUMSS _______________
Test I: Directions: Read and answer the following questions.
1. Which variable is manipulated by the researcher?
A. extraneous variable C. dependent variable
B. independent variable D. confounding variable
2. Which of the following is an example of a quantitative variable?
A. plant variety B. IQ C. hair color D. race
3. Which of the following is an example of qualitative variable?
A. monthly sales C. gender
B. basketball player number D. IQ
4. The variable is the presumed effect of the manipulation on the object/subject of the experiment.
A. extraneous variable C. dependent variable
B. independent variable D. confounding variable
5. The variable that has potential effect on the dependent variables that are not part of the study.
A. extraneous variable C. dependent variable
B. independent variable D. confounding variable
Test II: Directions: Identify the variables in each situation or title and classify them according to its
nature.
6-7. Three groups of students were placed in a classroom with controlled room temperatures of 18°C,
20°C, 25°C. The math exam scores of the students were then taken and compared to the other groups.
Independent Variable (IV):
Dependent Variable (DV):
8-9. An online seller would like to know whether the indication of price on Facebook posts will attract
consumers more. He posted 50 products for sale on Facebook market, 25 of which he indicated the price
while the remaining 25 products, did not have prices. Buyers were just instructed to send him a personal
message (pm) if they want to know the price. He then identified which products have greater sales.
Independent Variable (IV):
Dependent Variable (DV):
10-11. A housewife wanted to know which soil is best for her pechay plants: the soil purchased from an
online seller, soil from her backyard compost or the soil underneath the nearby bamboo tree. She planted
30 pechay seeds into each soil source and then compared the growth of pechay after a month.
Independent Variable (IV):
Dependent Variable (DV):
12-13. Jenny is only borrowing the cellphone chargers of her brother, sister, and mother because she lost
her phone charger. All chargers are of the same specifications as hers even though they have different
phone brands. However, she would like to know which charger and charging cable combination would fill
her phone battery the fastest. She used the following codes as her reference and charged her phone
uninterrupted using the following combination. The charging time of the phone was then compared.
Independent Variable (IV):
Dependent Variable (DV):
14-15. A teacher wanted to know which learning delivery modes (pure online, pure modular, combination
of online and modular) is most effective and has the fastest turnaround time in the submission of
accomplished activities among her Grade 12 students. She divided the students into 3 groups, gave them
the same activity sheets and asked them to submit as soon as it is completed. She then compared the
scores and completion time of the 3 groups.
Independent Variable (IV):
Dependent Variable (DV):
Test III: Directions: Read the following statements about the Basic Guidelines in Making a Research
Title and tell whether they are TRUE or FALSE.
16. Use an accurate description of the subject and scope of the study instead of using general terms.
17. Include the main dependent and independent variables, as well as the extraneous variables in the title.
18. Do not use abbreviations except for commonly known ones like DNA and ICT.
19. The year the study has been conducted should not be indicated unless it is a historical study.
20. An academic research paper has title which is casual, or informal, and contains humor.
Test IV. Reflection
What is the most momentous situation have you experienced in Practical Research where you can
say that you’ve learned from such experience, and why?
Prepared by:
LADY JANA M. SANDOVAL
Teacher, Practical Research
