Ch2_Student - Chapter 2 Psychological Research PSYCHOLOGY...

Info icon This preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 2: Psychological Research PSYCHOLOGY 120 Professor LeBreton Chapter 2 How Psychologists Do Research * Theory: * Hypothesis: EXAMPLES: * Operational Definition: *Defining a term from the hypothesis in a measurable way EXAMPLES: 1
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Research Methods *The scientific method employs different types of methods to conduct research. Each method has unique advantages and disadvantages. What method a researcher uses depends on what questions he/she is trying to answer. *All research is based on systematic observation and rules of evidence Descriptive Studies Descriptive Studies : a. Case Study: b. Observational Studies: c. Tests (assessments) *Standardized – *Norms – *Reliability – *Validity – *Surveys: self–report: 2
Image of page 2
Chapter 2: Psychological Research PSYCHOLOGY 120 Professor LeBreton o Problems with surveys: Population and Representative Sample Population: Representative Sample: Correlational Method *Correlation: (a descriptive method): *Correlation Coefficient: *Correlation coefficient can range from *A correlation coefficient of zero means 3
Image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
* Positive Correlation : *(Ex. When one variable goes up, the other goes up OR when one variable goes down, the other goes down) *Example: the more broccoli you eat, the more antioxidants are in
Image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern