Create a research proposal that provides a detailed plan for your research study that states your hypothesis, reports on sampling methods, and identifies how the data will be analyzed to answer the research question.By successfully completing this assessment, you will demonstrate your proficiency in the following course competencies and assessment criteria:SHOW LESSCompetency 1: Explain types of psychological research methods.Describe the use of a study method.Describe a sampling method that is appropriate for a study and available resources.Describe research methods used.Competency 2: Apply research methods and psychological research findings.Accurately identify key research concepts in a research project.Competency 3: Design an ethically appropriate psychological research study utilizing psychological theory and concepts.Design research with respect to controls for variations in behavior related to individual and sociocultural differences that can influence research outcomes.Competency 4: Conduct an ethically appropriate psychological research study.Adopt high-quality measurement strategies that enhance reliability and validity.Competency 5: Communicate in a manner that is scholarly, professional, and consistent with expectations for professionals in the field of psychology.Incorporate feedback to revise a literature review.Use APA-style formatting, citations, and references.Selecting Your SampleSelecting your sample is the next crucial component of designing your proposal. Use the following resources to help you.Salkind, N. J. (2017). Exploring research (9th ed.). Boston, MA: Pearson. Available in the courseroom via the VitalSource Bookshelf link.Chapter 4, “Sampling and Generalizability,” pages 7381.This chapter explains populations, samples, and sample size.Complete The Sample in the Learn tab of the Quick Guide of Academic Writer to learn about the sample of research participants, different types of sampling methods, assessing sampling bias, and select an appropriate sample size.SHOW LESSLevels of MeasurementEach variable has a different level of measurement, which must be carefully considered in the study. In your textbook, read the following chapters:Salkind, N. J. (2017). Exploring research (9th ed.). Boston, MA: Pearson. Available in the courseroom via the VitalSource Bookshelf link.Chapter 5, “Measurement, Reliability, and Validity,” pages 8397.This chapter will help you learn about the various levels of measurements and how to ensure that your study is reliable and valid.Chapter 6, “Methods of Measuring Behavior,” pages 101114.As you work on the concepts of tests and measurements, read this chapter to learn about various types of tests and their uses in the field.Complete Criteria and Criterion Measures in the Learn tab of the Quick Guide of Academic Writer to learn about the selection of appropriate criteria and valid and reliable criterion measures for both the independent and dependent variable.