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Study Guide for Final

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University of Toronto Scarborough
Anna Nagy

PSYB01 Notes II Chapter 7: Asking People About Themselves: Survey Research Response set is a tendency to respond to all questions from a particular perspective rather than 94574;L/0,38Z0789K,9,70/L70.9O\70O,90/949K06:089L4381,NL3JJ44/ 3 General Types of Survey Questions 1) Attitude and Beliefs the way people think and evaluate issues 2) Facts and Demographics ,J0J03/0709. 3) Behaviours past behaviours or future behaviours ex: exercise Question Wording a) unfamiliar technical terms b) vague or imprecise terms c) ungrammatical sentence structure d) phrasing that overloads working memory e) embedding the question with misleading information Simplicity questions asked should be simple and in common terms, avoid jargon Double-Barreled Questions avoid asking two things at once Loaded Questions written to lead people to respond in one way Negative Wording avoid phrasing questions with negatives Yea-saying and Nay-saying saying yes all the time or no all the time, avoid this by stating the same question a different way Responses to Questions Closed vs. Open Ended Questions closed: limited numbers of responses are given, open: can respond anyway they like - can yield different results Rating Scales - Graphic Rating Scale (mark along a line in cm), - Semantic Differential Scale (Osgood 7 point scales) o evaluation (good-bad), activity (active-passive), potency (weak-strong) - Nonverbal Scale for children happy faces Labelling Response Alternatives - Schwarz high-frequency scale (per week), low frequency scales (per month) Finalizing the Questionnaire Formatting Questions, Refining Questions Administering Surveys - Questionnaires vs. interviews Questionnaires - Personal Administration to Groups or individuals researcher is present - Mail Surveys low response rates; Internet Surveys ambiguity of participants Interviews - Interviewer Bias all the biases that can arise from the fact that the interviewer is an unique human being interacting with another human being - face to face interviews time consuming, expensive, small sample group - Telephone interviews lower cost, quicker than face to face - focus group interviews require much time and expenses, multiple topics arise Survey Designs to Study Changes over Time - panel study 9K08,205045O0,708:7;0\0/,99Z447247054L398L39L209Z4Z,;0 5,30O8479K700-Z,;05,30O8 Confidence Intervals - 95% confident that true value lies within the interval - a larger same will reduce the size of confidence interval, lower area of uncertainty Sampling Techniques - Probability Sampling each member of the population has a specific probability of being chosen for the study - Non-Probability Sampling Z0/439N3ow the probability of any particular member of the population being chosen Probability Sampling - simple random sampling every member of population has equal probability of being selected for the sample - stratified random sampling population is divided into subgroup(strata) and random sampling techniques are then used to select sample members from each stratum - cluster sampling researcher identifies clusters of individuals and then sample from these clusters, multi stage approach Non-Probability Sampling - haphazard sampling convenience sampling, 9,N09K02ZK070\4:1L3/9K02 - purposive sampling the purpose is to obtain a sample of people who meet some predetermined criterion - quota sampling collect specific proportions of data representative of percentages of groups within population, then use haphazard techniques Sampling frame the actual population of individuals (or clusters) from which a random sample will be drawn Response Rate the percentage of people in the sample who actually complete the survey www.notesolution.comChapter 8: Experimental Design Confounding Variable a variable that varies along with the independent variable; confounding occurs when the effects of the independent variable and an uncontrolled variable are intertwined, unable to determine which variable is responsible for the observed effect Internal Validity to achieve, one must design and conduct experiment so that only the independent variable can be the cause of the results Posttest-Only Design: 1) obtain two equivalent groups of participants (experiment group, control group) 2) introduce the independent variable (experimental manipulation) 3) measure the effect of the independent variable on the dependent variable Selection Differences the people selected to be in groups cannot differ in any systematic way Pretest-Posttest Design: - difference b/w posttest-only and pretest-posttest a prestest is given before the experimental manipulation is introduced Advantages and Disadvantages Pretest: - A: problems with the equivale
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