Friday, May 6, 2016

Statistics and Psychophysics BA Lucknow University 2008 Question Paper

B.A ( Part I) Examination 2008
University /Board: Lucknow University
Course: B.A Psychology
Psychology
Second Paper (Statistics and Psychophysics)
Time Allowed : Three Hours
Maximum Marks:35

Note: Total Number of questions to be answered is Five. Question no. 1 is compulsory.Attempt one question from each unit.Each question of the unit carries 5 marks.

1. Write short answers on the following: 15
(i) Median
(ii) Type I error
(iii) Limen
(iv) Constant error
(v) PSE

UNIT I
2.What do you understand by psychological measurement?Discuss various levels of measurement.
3. Calculate Standard Deviation of the following data.
CI f
75-79 2
70-74 4
65-69 5
60-64 8
55-59 10
50-54 7
45-49 3
40-44 1

N=40

UNIT II
4.The initial mean for a sample of 100 students on an achievement test was 50.00 and SD 8.00 . After one month's practice the mean was found to be 56.00 and SD 10.00 on the same test.The correlation between the initial and the final scores is 60.Is the gain significant at .01 level?
5. Giving suitable examples discuss what is skewness and kurtosis.

UNIT III
6.How the absolute threshold is computed through the method of limits?Illustrate with an example.
7.Write short notes on the following:
(a)Weber's law (b) Errors in the method of average error

UNIT IV
8.Using the method of equal appearing interval,find out the scale value of an item judged by 100 judges.
CATEGORIES 1 2 3 4 5 6 7 8 9 10 11
FREQUENCY 10 25 40 10 5 2 3 1 0 0 0

9.What do you understand by Psychological Scaling method?How the is paired comparison method superior to the rank order method?

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