Experimental Psychology Exam 1 Review
Experimental Psychology Exam 1 Review PSYC 266 - 05
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This 5 page Study Guide was uploaded by emmy_rose4267 on Friday September 16, 2016. The Study Guide belongs to PSYC 266 - 05 at Truman State University taught by Ashley Ramsey in Fall 2016. Since its upload, it has received 63 views. For similar materials see Experimental Psychology in Psychology (PSYC) at Truman State University.
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Date Created: 09/16/16
Experimental Psychology Exam 1 Review *Be able to answer these questions, ALL answers are at the END 1) What is the difference between a law and a theory? 2) What is pseudoscience? 3) Describe informed consent 4) How are confederates used in an experiment? 5) Explain a non experimental approach 6) What is the difference between internal and external validity 7) Describe survey research 8) What are the 3 things to avoid when constructing questions for a survey? 9) What is the difference in structured and unstructured interviews? 10) What is the difference between population and sample? 11) Explain extraneous and confounding variables 12) What is reliability? 13) What is validity 14) What are the 3 steps to control physical variables? 15) What is a demand characteristic? 16) Explain the Rosenthal effect 17) What is mean median and mode? When do you use each one for central tendency? 18) What is a continuous and a discrete scale? *Match each vocabulary term to its definition 1) Case Study 2) Retrospective data 3) Deviant case analysis 4) Field study 5) Participantobserver study 6) Archival study 7) Social desirability 8) Context effects 9) Ordinal scale 10) Nominal scale 11) Interval scale 12) Ratio scale 13) Interrater reliability 14) Testretest reliability 15) Interitem reliability 16) Face validity 17) Content validity 18) Construct validity 19) Predictive validity 20) Concurrent validity A) Measures magnitude of DV using ranks B) Degree a manipulation or measurement technique is selfevident C) Measures magnitude of DV using equal intervals between values D) Observes one person’s experiences and behaviors E) Response set is representing ourselves in a socially appropriate fashion F) Accuracy a measurement procedure predicts future performance G) Changes in question interpretation due to their positioning within a survey H) Non experiment conducted without manipulation of antecedent conditions I) Degree scores on measuring instrument correlate with another known standard for measuring variable being studied J) Consistent scores across 2 or more administrations K) Accurate measurement procedure samples the content of the DV L) Examine difference of normal vs not normal individuals to identify etiological factors M) Degree observes agree in their measurement N) Degree different parts of a measuring instrument achieve consistent results O) Assign items to 2 or more distinct categories but does not measure magnitude P) Accuracy an operational definition represents a phenomenon that is not directly measurable Q) Recollections of past events collected in the present R) Measure magnitude of DV using equal intervals between values and a absolute zero S) Field observation where the researcher is part of the studied group T) Reexamine data collected for other people ANSWERS Questions 1) A law is a statement generally expressed as equations with overwhelming support, while a theory is a set of related statements used to explain and predict phenomena. 2) It is a field of study that gives the appearance of being scientific but has no true scientific basis and has not been confirmed using the scientific method. 3) When a subject agrees in writing to their participation after relevant details of the experiment have been explained. 4) They enter the experiment and subjects are led to believe they are another subject when they are a part of the manipulation. 5) They do not create levels of an independent variable nor do they randomly assign subjects to these levels. 6) Internal validity is the degree in which a researcher can establish a causal relationship between the independent and dependent variables. External validity is the degree a research finding can be generalized to other settings and individuals. 7) It obtains data about opinions, attitudes, preferences, behaviors, etc using questionnaires. 8) Keep items simple and avoid double negatives. Avoid doublebarreled (compound) questions that require responses about 2 or more related ideas. Use exhaustive response choices. 9) Structure interviews are questions asked the same way each time. Unstructured interviews can explore interesting topics as they arise. 10) Population is all the people, animals, and objects that share 1 or more characteristic while a sample is subset of the population of interest. 11) An extraneous variable may have an effect on the dependent variable and a confounding variable varies with the independent variable. 12) Consistency of experimental and measured operational definitions. 13) Operational definitions manipulates the independent variable or measures the dependent variable accurately. 14) Eliminate extraneous variables. If you cannot then try to keep the conditions constant. If there is no way to avoid the variables then try to balance the effects of them. 15) Cues within experimental situation that demand participant response. 16) When experimenters treat subjects differently based expectations their actions influence subjects performance and results. 17) Mean is the average of the data, mode is the most frequent, and median is the exact middle if in numerical order. Mode is used when something is nominal, median is for ordinal or if something is highly skewed, and mean is for interval or ratio is it is symmetrical. 18) Continuous allows for fraction amounts while discrete is for whole numbers only. Matching 1) D 2) Q 3) L 4) H 5) S 6) T 7) E 8) G 9) A 10) O 11) R 12) C 13) M 14) J 15) N 16) B 17) K 18) P 19) F 20) I
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