WGU - Psychology C180 Questions and Answers Already Passed. Graded A

WGU - Psychology C180 Questions and Answers Already Passed. Graded A Document Content and Description Below WGU - Psychology C180 Questions and Answers Already Passed What do psychologists study? Correct Answer- • Biological Foundations • Mental Life • Change • Self and Others • Potential an d Dysfuction Psychologists Study Biological Foundations: What does that mean? Correct AnswerPsychologists study biological processes, in the brain, hormones, and DNA, that influence thoughts and behaviors. Psychologists Study Mental Life: What does that mean? Correct Answer- Psychologists study thought processes of people, e.g. when they solve problems, interact with others, or recall past events Psychologists Study Change: What does that mean? Correct Answer- Psychologists study how individuals change mentally, emotionally, and socially as they age, from infants to children to teens to adults to seniors Psychologist Study Self and Others: What does that mean? Correct Answer- Psychologists study how individuals come to regard or judge themselves, and how they relate to other individuals Psychologist Study Potential and Dysfunction - What does that mean? Correct AnswerPsychologists study variations in perception, cognition, and emotions, to define what is normal and what is exceptional, and what is dysfunctional What is the scientific method and how is it applied to psychological research? Correct AnswerThe scientific method is the set of assumptions, rules, and procedures scientists use to conductresearch. In addition to requiring that science is verifiable, the scientific method demands that procedures are free of personal bias. What is the definition of a hypothesis? Correct Answer- A specific and falsifiable prediction about the relationship between two or more variables. What is the definition of a theory? Correct Answer- is based on principles that are general and can be applied to many situations. What is the relationship of a hypothesis and theory? Correct Answer- A research questions must be stated in a research hypothesis which is a precise statement of the presumed relationship among specific parts of a theory. What is an operational definition? Provide an example. Correct Answer- An operational definition refers to a precise statement of how a conceptual variable ( abstract idea that form the basis of research hypotheses ) which is turned into a measured variable ( varialbes consisting of numbers that represent the conceptual variables ) (Conceptual Variable) Depression - (operational definition) Number of negative words used in a creative story; number of appointments made with a psychotherapist Why are ethical guidelines needed within psychological research? Correct Answer- These are needed with psychological research is the prevent physical and/or emotional harm to the participants. What are some requirements of ethical research? Correct Answer- 1. before the research begins the participant is given all information relevant to his or her decision to participate 2. the participant is given a chance to have questions about the procedure answered thus giving free choice in participating. What are the various research methods in the field of psychology? Correct Answer- Descriptive Research Correlational ResearchExperimental Research What is Descriptive Research Correct Answer- research designed to provide a snapshot of the current state of affairs. What is Correlational Research Correct Answer- research designed to discover relationships among variables and to allow the prediction of future events from present knowledge. What is Experimental Research Correct Answer- research in which there is a random assignment of research participants into two groups. This is followed by a manipulation of a given experience for one group while the other is not manipulated. One group is the experimental group that receives the manipulation. The other group is the control group that does not. The two groups are then compared to determine the influence of the manipulation. What is the relationship between a population and a sample? Correct Answer- The people chosen to participate in the research, called a sample, are selected to be representative of all the people that the researcher wishes to know about, called the population. What does a correlational research design examine? Provide an example. Correct Answerresearch designed to discover relationships among variables and to allow the prediction of future events from present knowledge. Describe examples of a positive and a negative correlation. Correct Answer- Correlational-To assess the relationships between and among two or more variables. Postiive - As children age they get better at math Negative - Age of a child and the number of diapers they use What are the differences in interpretations of correlational and experimental designs? Correct Answer- In correlational studies a researcher looks for associations among naturally occurring variables, whereas in experimental studies the researcher introduces a change and then monitors its effects.What are the four parts of a neuron and its role in neural communication? Correct Answer- Cell Body (Soma), Dendrites, Axon, Myelin Sheath Cell Body (Soma) Correct Answer- contains the nucleus of the cell and keeps the cell alive Dendrites Correct Answer- a branching, treelike fiber which collects information from other cells and sends the information to the soma Axon Correct Answer- a long, segmented fiber which transmits information away from the cell body toward other neurons or to the muscles and glands. Myelin Sheath Correct Answer- Covers the axon of some neurons and helps speed neural impulses What is a neurotransmitter? What are a few examples? Correct Answer- Neurochemical messengers that are released by terminal buttons when an action potential triggers them. Acetylocholine (ACh), Dopamine, Endorphins, GABA (Gamma Aminobuytric Acid), Glutamate, Serotonin Neurotransmitter: Acetylcholine (ACh) Correct Answer- Used in spinal cord to simulate muscle contractions and in brain to regulate memory, sleeping and dreaming. Udersupply associated with Alzheimer's disease. Neurotransmitter: Dopamine Correct Answer- Used as brains reward system. Involved in movement, motivation, and emotion. Used in learning. Increase = Schizophrenia. Under supply = Parkinsons Neurotransmitter: Endorphins Correct Answer- Released in response to behaviors such as exercise, orgasm, and eating. Nataural pain reliever. Creates a runners highNeurotransmitter: GABA (Gamma Aminobutyric Acid) Correct Answer- Major inhibitory neurotransmitter. Linked to sizures. Glutamate: cause overstimulation, migraines, and seizurs. Most common neurotransmitter. Neurotransmitter: Glutamate Correct Answer- cause overstimulation, migraines, and seizurs. Most common neurotransmitter. Neurotransmitter: Serotonin Correct Answer- Involved in m