NET/EDUCATION JUNE 2010-SOLVED PAPER-II PRACTICE BITS-(41-50)
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
(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 ?
(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
(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 ?
(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
(A) increase
(B) remain unchanged
(C) decrease
(D) not be predictable
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 ?
(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
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