LIST I LIST II A. An inferential test used to determine effect size for a chi-square test; the correlation used when both measured variables are dichotomous and nominal I. Point-biserial correlation coefficient B. The correlation used when one of its variables is measured on a dichotomous nominal scale and the other is measured on an interval or ratio scale II. Regression analysis C. A procedure that allows to predict an individual's score on one variable based on knowing one or more variables III. Partial correlation D. A correlational technique that involves measuring three variables and then statistically removing the effect of the third variable from the correlation of the remaining two variables IV. Phi-coefficient
Matching Statistical Concepts
This solution provides the correct pairings between statistical terms in List I and their definitions in List II.
Analyzing List I and List II Items
- A. Effect Size & Dichotomous Variables: This refers to a measure of effect size for a chi-square test when both variables are dichotomous and nominal. This precisely matches the description of the Phi-coefficient ($\phi$).
- B. Dichotomous vs. Interval/Ratio Variables: This describes the correlation coefficient used when one variable is dichotomous nominal (e.g., yes/no) and the other is measured on an interval or ratio scale (e.g., height, score). This is the Point-biserial correlation coefficient ($r_{pb}$).
- C. Predictive Procedure: This defines a statistical procedure focused on predicting an individual's score on one variable based on knowledge of one or more other variables. This is the core function of Regression analysis.
- D. Controlling for a Third Variable: This is a correlational technique where the influence of a third variable is statistically removed to examine the relationship between the remaining two variables. This describes Partial correlation.
Correct Matches Summary
Based on the analysis, the correct pairings are:
| List I Item | List II Item | Definition Match |
| A | IV | Phi-coefficient |
| B | I | Point-biserial correlation coefficient |
| C | II | Regression analysis |
| D | III | Partial correlation |
The correct option reflecting these matches is A-IV, B-I, C-II, D-III.
Important Questions from Correlation Analysis - Teaching
- Arrange the following in terms of increasing order of the minimum number of variables required for their
computation:
A. Mean
B. First order correlation
C. Correlation coefficient
D. Second order correlation
Choose the correct answer from the options given below: - Which of the following correlation coefficient represents the variables with the weakest degree of relationship?
- Which of the following is correct about correlation coefficient
A. The Pearson correlation is used to score variables
B. The Spearman correlation is used for nominal variable
C. The numerical size of the correlation ranges from -0.1 to +0.1
D. The Spearman correlation is used for internal variable
Choose the correct answer from the options given below: - In a study, a researcher wants to eliminate the effect of one variable in a bid to find out the pure relationship between two variables of his/her interest. He/She should be advised to use which of the following methods of computing coefficient of correlation ?
Assertion (A) : There is a positive co-relation between literacy and primary education.
Reason (R) : It has been found that total literate districts have shown increase in enrolment at primary level.
Codes :
