Research Methods and Statistics [GATE (Graduate Aptitude Test in Engineering) Psychology]: Questions 49 - 53 of 320

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Question 49

Research Methods and Statistics
Sampling

Question

MCQ▾

An incidental sample

Choices

Choice (4)Response

a.

is also known as a convenience sample.

b.

is purposive in nature.

c.

is composed of people exposed to the same incident.

d.

None of the above

Question 50

Research Methods and Statistics
Observation

Question

MCQ▾

A major problem with naturalization studies is the ________ on the observed.

Choices

Choice (4)Response

a.

Effect of the behavior

b.

Effect of the observer

c.

Effect of the observed

d.

Question does not provide sufficient data or is vague

Question 51

Research Methods and Statistics
Measures of Central Tendency and Dispersion

Question

MCQ▾

Which is true about the range of the distribution?

Choices

Choice (4)Response

a.

It tends to be broader in nature than that of the “3 Tenors” .

b.

It is a quick but gross description of the spread of scores.

c.

It can be used with other measures to calculate kurtosis.

d.

It provides a useful index of central tendency.

Passage

A researcher wanted to study the effect of a specific drug on the activity of rats. He suspected if the effect of the drug is moderated by temperature. He varied drug dosage (A) at three levels-no drug (placebo) , low drug dosage (5 mg/kg body-weight) and high drug dosage (10 mg/kg bodyweight) . He varied temperature (B) at two levels - 25 degree Celsius and 39 degree Celsius. Fifteen rats were randomly assigned to each of the six groups. The activity scores for each rate were obtained through activity wheel. The cell means and standard deviations for activity scores were obtained for the six cells. All the cells had comparable standard deviations. A suitable analysis of variance was carried out using the activity scores as the dependent variable. One of the interesting finding in this research was that the F ratio defined as “MSA B/MSE” was statistically significant at . 01 level.

(June 2014)

Question 52 (1 of 1 Based on Passage)

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

Appeared in Year: 2014 (UGC)

Question

MCQ▾

From the above paragraph, it can be inferred that the assumption of homogeneity of variance

Choices

Choice (4)Response

a.

cannot be evaluated in the absence of relevant data

b.

has been violated

c.

suggests square root transformation of data in this case.

d.

has been satisfied

Question 53

Research Methods and Statistics
Variables and Operational Definitions

Appeared in Year: 2014 (UGC)

Question

MCQ▾

Which of the following is/are example/s of continuous organismic variable?

1. Gender

2. Heart beats per minute

3. Trials required learning a list of CVC trigrams

4. Intelligence

(June)

Choices

Choice (4)Response

a.

2,3 & 4 only

b.

2 & 4 only

c.

1 only

d.

4 only

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