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UBC PSYC 217 Final Exam Questions With Solutions
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UBC PSYC 217 Final Exam Questions With Solutions Attrition Another word for mortality - People dropping out of studies Informed Consent Potential participants should be provided with all the information that might influence their decision to participate In what types of research is multiple ...

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  • July 12, 2024
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  • 2023/2024
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  • ubc psyc 217 final exam questions with solutions

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UBC PSYC 217 Final Exam Questions With Solutions



Attrition Another word for mortality




- People dropping out of studies




Informed Consent Potential participants should be provided with all the information that

might influence their decision to participate




In what types of research is multiple regression common Personality, health, and

longitudinal developmental research




Regression Equation y = bX + a




Multiple Regression Uses scores on one variable (the predictor) to predict changes in

another variable (the criterion)




Squared correlation coefficient [r^2] The amount of shared variance


- The % of variance in one variable accounted for by the second variable

, UBC PSYC 217 Final Exam Questions With Solutions



r value indicates a [Medium] effect/covariation 0.30




r value indicates a [large] effect/covariation >0.40




r value indicates a [small] effect/variation 0.10 - 0.20




Scatterplot Each pair of scores from a correlation is plotted as a single point on a graph




Cohen's d = 1 The means are separated by 1 standard deviation




Cohen's d Describes the magnitude of the effect of the IV on the DV




% of scores fall within 3 SD 99.7%




% of scores fall within 2 SD 95%

, UBC PSYC 217 Final Exam Questions With Solutions

% of scores fall within 1 SD 68%




Variability The spread in a distribution of scores




Mean as most useful measure of central tendency It maximises the use of all data


- Can use in statistical analysis




Value of central tendency to use when you have [nominal or ordinal variables] Mode




Value of central tendency to use when [outliers] Median




Structural equation modelling SEM examines models that specify a set of relationships

among many variables




Yes/No is IV x PV true experimental design No


- Participant variables are not randomly assigned or controlled

, UBC PSYC 217 Final Exam Questions With Solutions

Statistical analysis to assess the unique contribution of each variable in a correlation

Multiple Regression




Discriminant validity Is the measure not related to what it shouldn't relate to?




- The measure should be able to discriminate between the construct being measured and other

unrelated constructs




Internal consistency reliability Assesses how well a certain set of items relate to one

another




- Is a participants score on this construct similar across items that are aimed to measure related

aspects of the construct




Quality that single case experiments lack Generalizability




Setting that true experiments generally harder to perform In applied settings




Reactive measure show What the person is like when he/she is aware of being observed

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