You Are Interested in Attempting to Replicate the Results of a 1973

question 48

Multiple Choice

You are interested in attempting to replicate the results of a 1973 study by Belmont and Marolla that found a negative correlation between birth order and IQ.You collect the necessary data using students in your school's participant pool.Which technique would you use to analyze your data?

• A) Spearman rank-order correlation coefficient
• B) Pearson correlation coefficient
• C) Mann-Whitney U test
• D) Kruskal-Wallis H test

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Definitions:

Alternative Hypothesis

The hypothesis that proposes a specific relationship between variables, tested against the null hypothesis in statistical analysis.

Alternative Hypothesis

In statistical testing, the hypothesis that suggests there is a significant difference between the specified populations, contrary to the null hypothesis.

µ ≠ 3

A statement used in hypothesis testing indicating that the population mean is not equal to 3, serving as the basis for a two-tailed test.

Alternative Hypothesis

In statistical hypothesis testing, it represents the hypothesis that there is a significant difference between the defined groups or a significant relationship within the data.