If You Want to Calculate the Correlation Between Spelling Skills

question 18

Multiple Choice

If you want to calculate the correlation between spelling skills and reading comprehension which are both reported as percentile ranks,the appropriate coefficient is:

• A)Beta Coefficient.
• B)Cronbach's Coefficient Alpha.
• C)Pearson Product-Moment Correlation.
• D)Spearman Rank-Difference Correlation.

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Definitions:

Natural Experiment

An empirical study in which individuals are exposed to experimental and control conditions that are determined by nature or by other factors outside the control of the investigators.

Analogue Experiment

An experimental design used to study a particular phenomenon by replicating it or simulating it in a controlled environment, especially when direct experimentation is not possible.

Disasters

Severe, often sudden events that cause great damage or loss of life, such as natural catastrophes or human-made crises.

Longitudinal

Longitudinal refers to research designs that involve repeated observations or measurements of the same subjects over a period of time.