Category > PsychologyPosted 20 Nov 2017My Price10.00
PSY 326 Week 4 Quiz 1
I need assistance asap for my week 4 quiz, it was due yesterday and I'm in desperate need. Please only reply if you're available now
PSY 326 Week 4 Quiz1. In order for a sample to be representative, it needs to be ______________________ to/ as the population you are interested in studying2. Dr. Ahmed is interested in conducting a survey of patients living with HIV. She does not have access toa full nationwide sample so she randomly selects four cities across the country, Atlanta (Southeastern US), Boston (Northeastern US), St. Louis (Midwestern US) and Seattle (Western US). She then randomlyselects HIV clinics within these cities, and randomly samples patients treated at these clinics. What type of sampling method has Dr. Ahmed used?3. Dr. Stevens is conducting a study of recycling behavior by having students stand at the recycling bins and count the number of people who recycle compared to those who just toss it all in the garbage. Unfortunately, a reviewer of his research points out that the presence of the students at the recycling bins may have influenced the behavior of people being observed. Which of the following best describes this problem?4. When visually presenting values measured on an ordinal, interval, or ratio scale, which of the followingshould we use?5. Correlations provide an assessment of the _______________ between two quantitative (also called continuous) variables.6. Dr. Lee is studying attitudes toward gay and lesbian students. She is concerned that participants will attempt to avoid answering questions by providing a neutral response (neither agreeing nor disagreeing) so she has used a (n) _________________ format, using an even number of points on her scale to avoid this problem.7. ____________________ is a statistical test used to determine whether two nominal variables are independent or related to one-another8. __________________is a group of sampling strategies used when each person in a population has a known chance of being in the sample.9. Dr. Knox is conducting a study in which she is interested in studying patterns of head trauma and depression in college football players. She surveys football players at State University with odd numberedjerseys about their history of head injury and measures their propensity for depression. Which of the following best describes the sample Dr. Knox has collected?10. ________________ is a measure of dispersion that represents the average difference between the mean and each individual score which is calculated by taking the square root of the variancePSY 326 Week 5 DQ 1 Experimental Versus Quasi-Experimental DesignsExperimental Versus Quasi-Experimental Designs. After reading Chapter 5 in the course text compare andcontrast the similarities and differences between experimental and quasi-experimental designs. Describe the different ways in which an independent variable can be manipulated. Demonstrate application of the scientific method and ethical principles by explaining what dictates the selection of design (experimental versus quasi-experimental) and the type of manipulation used in a research study. Finally, give an example of a situation that could be studied with an experiment or quasi-experiment and assess the appropriateness of one design over the other in light of practical and ethical concerns.
