21. These are conditions that an experimenter manipulates.

a. hypothesis b. treatment c. variables d. samples



22. If a researcher wishes to determine the level of comprehension of the respondents when classified according to age (younger and older), what scale shall he/she use?

a. Likert scale b. dichotomy c. comprehension scale d. age scale



23. What is the essence of experimental research?

a. control b. treatment c. grouping c. testing



24. Which among the following is not a variable?

a. age b. achievement c. blood type d. all of the options are correct



25-31 From this given situation, answer questions number 25-31. A teacher gives her students a 75-item test with these scores 56, 23, 22, 26, 50, 53, 53, 10.



25. What is the mode?

a. 23 b. 26 c. 53 d. 56



26. What is the range?

a. 47 b. 46 c. 76 d. 37



27. What is the mean?

a. 47 b. 37 c. 28 d. 36



28. What is the median?

a. 38 b. 34 c. 29 d. 41



29. Under what level does the mean fall?

a. Low b. average c. high d. very low



30. What is the reliability of the test?

a. .38 b. .79 c. .82 d. none of the option is correct



32. Do you think the teacher has measured what she supposed to measure?

a. no b. yes c. maybe d. partially yes



33-40 From the titles given, decide whether they are researchable, not researchable, maybe researchable, or partially researchable.



33. “The Effect of Punishment on the Self-Esteem and Academic Performance of Adolescents”

a. researchable b. not researchable c. maybe researchable d. partially researchable



34. “Factors Related to High Drop Out Rate in NONESCOST“

a. researchable b. not researchable c. maybe researchable d. partially researchable



35. “Effect of the Use of Graphic Organizer to the Students’ Performance in English”

a. researchable b. not researchable c. maybe researchable d. partially researchable



36. “Reasons on the Difficulty in English”

a. researchable b. not researchable c. maybe researchable d. partially researchable



38. “ Students Performance and Its Relationship to Success in the Future”

a. researchable b. not researchable c. maybe researchable d. partially researchable



39. “ Customers Satisfaction on the Registrar’s Services”

a. researchable b. not researchable c. maybe researchable d. partially researchable



40. “The Effect of Pronunciation Drill to Students’ Knowledge”.

a. researchable b. not researchable c. maybe researchable d. partially researchable​