Directions: Determine the statistical test/s appropriate for the sample research. Make sure to explain your decision in two to three sentences. Appropriate Statistical Test Explanation Research Title 1. Relationship between Academic Stressors and Learning Preferences of Senior High School Students 2. Reading Electronic Learning Materials as a Support for Vocabulary of Grade 1 Pupils 3. Impact of the Implementation of COVID – 19 Health Protocols in Supermarkets on Consumer

Does the sample size ? affect the mean of all possible sample means? Explain your answer.

A power analysis is a calculation used to estimate the smallest sample size needed for an experiment, given a required significance level, statistical power, and effect size. It helps to determine if a result from an experiment or survey is due to chance, or if it is genuine and significant. Think of an experiment or a survey that you have conducted or will conduct in your field of interest and use it to discuss the following questions: 1. Describe the importance of power analysis in an experiment. 2. How will you determine the appropriate significance level for a power analysis? 3. Explain, in your own words, how you will conduct a power analysis in your experiment or survey.

______ asks “can we be sure that the program caused a change in outcomes?”, whereas ______ asks “can we generalize to the full target population?”. Select one: a.measurement reliability; measurement validity b. external validity; internal validity c. measurement validity; measurement reliability d. internal validity; external validity e. process theory; impact theory