The goal of the assignment is to better acquaint you with some of the fundamental research concepts that are manifest in some of the technical vocabulary used in research. This assignment focuses on Understanding.
Process:
Below are technical terms that describe foundational concepts in quantitative methodology:
Generalizability
Type I error
Type II error
Statistical power
Hypothesis
Purposeful sample
Simple random sample
Stratified random sample
Cluster sample
Statistical significance
Independent variable
Dependent variable
Intervening variable
Provide a written definition for each term expressed in your words, but supported by citation(s). Also, provide a brief description of why the concept represented by the term is important in research design (again, cite one or more sources). Please do NOT copy the brief definitions from the back of the Salkind text.
Next, address the following prompts, in writing:
1. Compare and contrast the concepts of Type I error, Type II error, and statistical power. Which of the two types of error is the most serious, and why?
2. Compare and contrast the following sampling types:
Purposeful
Simple random
Stratified random
Cluster
3. Compare and contrast independent, dependent, and intervening variables.
Product:
Submit an approximately 10 page written paper, to include both the definitions and the comparison contrast responses. Include a list of references at the end. The written report should conform to EITHER the most recent publication style of the American Psychological Association (APA) or the most recent version of the Chicago Manual of Style, which includes references as footnotes (each student may choose which style to follow).
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