Research Methods and Statistics [GATE (Graduate Aptitude Test in Engineering) Psychology]: Questions 232 - 233 of 320

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Question 232

Research Methods and Statistics
Measures of Central Tendency and Dispersion

Appeared in Year: 2018 (UGC)

Question

MCQ▾

The rapid changes in performance level as the size of reinforcement is varied is called

(18th December 2th Shift)

Choices

Choice (4)Response

a.

Instinctual drift

b.

Reminiscence effect

c.

d.

Crespi effect

Question 233

Research Methods and Statistics
ANOVA [One-Way, Factorial]

Appeared in Year: 2018 (UGC)

Question

MCQ▾

A sport psychologist wanted to study the effect of a specific type of steroids. She hypothesized that the consumption of steroid would temporarily improve the running rate. Seventy athletes in the age range of 25 to 30 years were employed in this work. Two groups, A and B, of equal size were formed by random assignment. The examination of the two groups revealed that the two groups had similar genderwise composition. Group A athletes received the drug dosage, adjusted for the body weight. Group B athletes received the placebo. Twenty-five minutes (time required to manifest the steroid effects) after, the athletes were required to run a specific track. The mean time to run the track was calculated for each group. The mean time required to run the track was 180 seconds and 145 seconds respectively for Group A and Group B. The mean difference was evaluated by appropriate statistical test.

Which of the following statistical tests can be used to analyse the data in the above experiment?

(18th December 2th Shift)

i. Independent samples t-test

ii. Paired samples t-test

iii. One-way analysis of variance

iv. Mann-Whitney U test

Choose the correct answer from the code given below:

Choices

Choice (4)Response

a.

Only (i)

b.

(i) and (iv)

c.

(i) , (iii) and (iv)

d.

(ii) and (iii)

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