University of Lucknow 2006 B.A Psychology , Second (Statistics and Psychophysics) - Question Paper

B.A ( Part I) exam 2006

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) Continuous Variable
(ii) Mean
(iii) Histogram
(iv) Concept of Variability
(v) Differential threshold
(vi)Feshner's legal regulations
(vii)Space fault
(viii)Interval of uncertainity
(ix)Skewness
(x)Ordinal scale



UNIT I
2.Calculate Standard Deviation of the subsequent data by using short method.
CI f
100-104 1
95-99 2
90-94 3
85-89 3
80-84 4
75-79 6
70-74 16
65-69 6
60-64 4
55-59 3
50-54 2
N=50

3.What do you understand by measures of central tendency?Describe the importance and limitations of measures of central tendency.



UNIT II
4.The marks found by the students in Physics and the marks found by them in Mathematics are as follows:
Marks in Physics : 35 23 47 17 10 43 nine six 28
Marks in Maths : 25 23 22 six eight 31 seven nine 14
calculate coefficient of correlation and interpret your outcomes.

5. In a certain achievement test,the 7th grade mean is 28.00 and S.D 4.80 ; and the 8th grade mean is 31.60 and S.D is 4.00.What percent of the 7th grade is above the mean of the 8th grade?What percent of the 8th grade is beneath the mean of the 7th grade?



UNIT III
6.What is paired comparison method?Illustrate with example,how this method can be used?
7.Following ranks were given by ten students to the preperance for 5 subjects.Using rank order method;determine a scale on the basis of subsequent data:
learner Sociology Education Psychology Geography History
one two five one four 3
two one three two four 5
three five one four three 2
four one three two four 5
five three two one five 4
six two one three four 5
seven five three one one 2
eight five two one three 4
nine four one two three 5
10 five two one three four



UNIT IV
8.How method of avg. fault can be used in the determination of stimulus equality?Illustrate your ans with an example.
9.Mention the basic concepts of method of limits.With the help of an example what are the computation of absolute threshold by this method.

Earning:   Approval pending.