family interviews and written healthcare provider responses were transcribed and compared again to the recordings or written responses to verify accuracy. Correlations were analyzed and four analyses were used to verify and isolate the criteria variables. These procedures were appropriate for the data collected‚ the research question‚ and the testing of the study hypotheses. .[Good] Strengths and limitations What are two major strengths of the scientific merit of this study? This article did not
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RESEARCH Chief characteristics • Due to the nature of the classification variable (i.e.‚ a subject variable)‚ extraneous variables affecting the classification variable cannot be controlled; • However‚ extraneous variables affecting the measurement of the criterion variable can usually be controlled‚ although this may not be desirable for very high external validity; Slide 1 • No manipulation of independent variable; • Subject groups are not the result of random assignment‚ through
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reliability and validity of the results‚ as variables can be controlled‚ including extraneous variables which in a field study are more likely to occur‚ an example of a cognitive study which has used the lab experiment is by Loftus and Palmer on eye witness testimony‚ participants were asked to watch video clips of car crashes and to then judge the speed they were going by doing a questionnaire‚ using the lab study is reliable as it doesn’t have many extraneous variables so this makes the results more reliable
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completing the survey. Names of participants and contact details such as email addresses were not recorded to ensure complete anonymity. Identify the variable (independent‚ dependent‚ extraneous) The independent variable is the type of game that is being most played by gamers and the dependent is the time spent playing. The extraneous variable is English-language requirement for participation in the study meant that many gamers‚ especially those from Asia‚ could not participate. How many
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Psychology Meyers 10th Edition 2013 ISBN 9781464108556 Psych 101 Study Guide for Exam 1 Prologue‚ Chapter 1‚ Appendix A Definition of “Psychology”(p. 6) Psychology is a discipline that uses the scientific method to study the behavior of people and other living things. Psychology is the science of behavior and mental processes (p. 6). The scientific method (text pgs. 24-25) is used by psychologists to study people’s mental processes. (FROM SLIDE) Scientific method
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whether certain variables produce effects in other variables” (Cooper and Schindler‚ 2011 p. 141). “Ex post facto research design can only report what has happened or what is happening” (Cooper and Schindler‚ 2011 p. 141). c Descriptive and causal studies. Descriptive is finding out who‚ what‚ when‚ where or how much? Casual-explanatory is finding out why/how a variable causes change in another variable. “A causal-predictive study attempts to predict an effect on one variable by manipulating
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researcher manipulates the independent variable by introducing a treatment or intervention); control (including use of a control group that is not given the intervention and represents the comparative counterfactual); and randomization or random assignment (with people allocated to experimental and control groups at random to form groups that are comparable at the outset). P. 232 3. Factorial: (p.214) experimental designs in which two or more independent variables are simultaneously manipulated‚ permitting
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cause have already occurred and must be studied in retrospect • -The basic causal-comparative approach involves starting with an effect and seeking possible causes -The basic approach starts with cause and investigates its effects on some variable • -The basic approach is sometimes referred to as retrospective causal-comparative research (since it starts with effects and investigates causes) • -The variation as prospective causal-comparative research (since it starts with causes and
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of Prenatal Maternal Stress in Child Development‚” by Janet A.DiPietro in the‚ Current Directions in Psychological Science journal. The title of the study itself does identify the independent and dependent variable. The independent variable is the effect of stress‚ and the dependent variable is the child’s development. In reading the introduction‚ I learned that throughout history people have thought that the emotions and experiences of a pregnant woman impinge on her developing fetus. (DiPietro
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>cases A GEM of a Study >Abstract In periods of economic downturn‚ government leaders try to stimulate entrepreneurship activity. Project directors of the Global Entrepreneurship Monitor‚ partnered with the Kauffman Center for Entrepreneurial Leadership of Ewing Marion Kauffman Foundation‚ the London School of Business and Babson College‚designed a research study to add insight to what activities would be most likely to stimulate entreprenship activities. >The Scenario What government policies and
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