University of Lucknow 2008 B.A Psychology ,Second (Statistics and Psychophysics) - Question Paper

B.A ( Part I) exam 2008

Psychology
2nd Paper(Statistics and Psychophysics)

Time Allowed : 3 Hours
Maximum Marks:35

Note: Total Number of ques. to be answered is Five. ques. no. one is compulsory.Attempt 1 ques. fom every unit.Each ques. of the unit carries five marks.


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


UNIT I


2.What do you understand by psychological measurement?Discuss different levels of measurement.
3. compute Standard Deviation of the subsequent 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 1 month's practice the mean was obtained to be 56.00 and SD 10.00 on the identical test.The correlation ranging from the initial and the final scores is 60.Is the gain significant at .01 level?
5. Giving suitable examples explain what is skewness and kurtosis.



UNIT III
6.How the absolute threshold is calculated through the method of limits?Illustrate with an example.
7.Write short notes on the following:
(a)Weber's legal regulations (b) Errors in the method of avg. fault



UNIT IV
8.Using the method of equal appearing interval,find out the scale value of an item judged by 100 judges.
CATEGORIES one two three four five six seven eight nine 10 11
FREQUENCY 10 25 40 10 five two three one 0 0 0

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

Earning:   Approval pending.