**NET/EDUCATION JUNE 2010-SOLVED PAPER-II PRACTICE BITS-(41-50)**

41. Which of the following statements is not correct ?

41. Which of the following statements is not correct ?

**(A) A test cannot be valid without being reliable.**

**(B) A test can be reliable without being valid.**

**(C) A test can be reliable and valid both.**

**(D) A test can be valid without being reliable.**

42. Two characteristics of Ex Post Facto research are

42. Two characteristics of Ex Post Facto research are

**(A) Randomization and comparison of groups.**

**(B) Non-manipulation and randomization.**

**(C) Non-randomization and manipulation of independent variables.**

**(D) Non-manipulation and nonrandomization.**

43. Which of the following is a nonparametric correlation ?

43. Which of the following is a nonparametric correlation ?

**(A) Product moment**

**(B) Rank difference**

**(C) Point Biserial**

**(D) Partial**

44. What percent of IQ scores lie between 85 and 130 in a normal distribution with a mean of 100 and SD of 15 points ? (A) 79.85

44. What percent of IQ scores lie between 85 and 130 in a normal distribution with a mean of 100 and SD of 15 points ? (A) 79.85

**(B) 80.85**

**(C) 82.85**

**(D) 81.85**

**45. When is the Type-I error increased ?**

**(A) When alpha-level decreases**

**(B) When alpha-level increases**

**(C) When the sample size increases**

**(D) When the sample size decreases**

46. Which of the following poses a threat to internal validity ?

46. Which of the following poses a threat to internal validity ?

**(A) Interference of prior treatments.**

**(B) Interaction effect of independent variables.**

**(C) Interaction of treatment variables.**

**(D) Interaction of selection and maturation.**

47. If the alpha level of a particular test is lowered from 0.05 to 0.001, then the risk of committing Type-I error will

47. If the alpha level of a particular test is lowered from 0.05 to 0.001, then the risk of committing Type-I error will

**(A) increase**

**(B) remain unchanged**

**(C) decrease**

**(D) not be predictable**

48. In case of ANOVA, what is between sum of squares ?

48. In case of ANOVA, what is between sum of squares ?

**(A) The variance caused by treatment variable**

**(B) The variance caused by the difference within subjects**

**(C) The variance caused by the extraneous factors**

**(D) Total variance of the dependent variable**

49. Which of the following methods should be used for establishing reliability of the Questionnaire ?

49. Which of the following methods should be used for establishing reliability of the Questionnaire ?

**(A) Test-retest method**

**(B) Split-half method**

**(C) Parallel form method**

**(D) Rational equivalence method**

50. Which of the following is an example of a qualitative research ?

50. Which of the following is an example of a qualitative research ?

**(A) Descriptive survey**

**(B) Experimental study**

**(C) Ex Post Facto study**

**(D) Case study**

**THANK YOU,**

## 1 comment:

I am very happy that you share such things. Effie

Post a Comment