UBC PSYC 217 Final Exam 2025/2026
Exam Questions and Verified Answers |
Already Graded A+
Attrition - 🧠 ANSWER ✔✔Another word for mortality
- People dropping out of studies
Informed Consent - 🧠 ANSWER ✔✔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 - 🧠 ANSWER
✔✔Personality, health, and longitudinal developmental research
Regression Equation - 🧠 ANSWER ✔✔y = bX + a
Multiple Regression - 🧠 ANSWER ✔✔Uses scores on one variable (the predictor)
to predict changes in another variable (the criterion)
Squared correlation coefficient [r^2] - 🧠 ANSWER ✔✔The amount of shared
variance
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,- The % of variance in one variable accounted for by the second variable
r value indicates a [Medium] effect/covariation - 🧠 ANSWER ✔✔0.30
r value indicates a [large] effect/covariation - 🧠 ANSWER ✔✔>0.40
r value indicates a [small] effect/variation - 🧠 ANSWER ✔✔0.10 - 0.20
Scatterplot - 🧠 ANSWER ✔✔Each pair of scores from a correlation is plotted as a
single point on a graph
Cohen's d = 1 - 🧠 ANSWER ✔✔The means are separated by 1 standard deviation
Cohen's d - 🧠 ANSWER ✔✔Describes the magnitude of the effect of the IV on the
DV
% of scores fall within 3 SD - 🧠 ANSWER ✔✔99.7%
% of scores fall within 2 SD - 🧠 ANSWER ✔✔95%
% of scores fall within 1 SD - 🧠 ANSWER ✔✔68%
Variability - 🧠 ANSWER ✔✔The spread in a distribution of scores
Mean as most useful measure of central tendency - 🧠 ANSWER ✔✔It maximises
the use of all data
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,- Can use in statistical analysis
Value of central tendency to use when you have [nominal or ordinal variables] - 🧠
ANSWER ✔✔Mode
Value of central tendency to use when [outliers] - 🧠 ANSWER ✔✔Median
Structural equation modelling - 🧠 ANSWER ✔✔SEM examines models that
specify a set of relationships among many variables
Yes/No is IV x PV true experimental design - 🧠 ANSWER ✔✔No
- Participant variables are not randomly assigned or controlled
Statistical analysis to assess the unique contribution of each variable in a
correlation - 🧠 ANSWER ✔✔Multiple Regression
Discriminant validity - 🧠 ANSWER ✔✔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
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, Internal consistency reliability - 🧠 ANSWER ✔✔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 - 🧠 ANSWER ✔✔Generalizability
Setting that true experiments generally harder to perform - 🧠 ANSWER ✔✔In
applied settings
Reactive measure show - 🧠 ANSWER ✔✔What the person is like when he/she is
aware of being observed
Type(s) if scale(s) allow you to make quantitative distinctions? - 🧠 ANSWER
✔✔Internal and ratio
What an animal care committed is composed of - 🧠 ANSWER ✔✔1 scientist with
experience in animal use
1 institutional member who does not use animals
1 experienced vet and a community member
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Exam Questions and Verified Answers |
Already Graded A+
Attrition - 🧠 ANSWER ✔✔Another word for mortality
- People dropping out of studies
Informed Consent - 🧠 ANSWER ✔✔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 - 🧠 ANSWER
✔✔Personality, health, and longitudinal developmental research
Regression Equation - 🧠 ANSWER ✔✔y = bX + a
Multiple Regression - 🧠 ANSWER ✔✔Uses scores on one variable (the predictor)
to predict changes in another variable (the criterion)
Squared correlation coefficient [r^2] - 🧠 ANSWER ✔✔The amount of shared
variance
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,- The % of variance in one variable accounted for by the second variable
r value indicates a [Medium] effect/covariation - 🧠 ANSWER ✔✔0.30
r value indicates a [large] effect/covariation - 🧠 ANSWER ✔✔>0.40
r value indicates a [small] effect/variation - 🧠 ANSWER ✔✔0.10 - 0.20
Scatterplot - 🧠 ANSWER ✔✔Each pair of scores from a correlation is plotted as a
single point on a graph
Cohen's d = 1 - 🧠 ANSWER ✔✔The means are separated by 1 standard deviation
Cohen's d - 🧠 ANSWER ✔✔Describes the magnitude of the effect of the IV on the
DV
% of scores fall within 3 SD - 🧠 ANSWER ✔✔99.7%
% of scores fall within 2 SD - 🧠 ANSWER ✔✔95%
% of scores fall within 1 SD - 🧠 ANSWER ✔✔68%
Variability - 🧠 ANSWER ✔✔The spread in a distribution of scores
Mean as most useful measure of central tendency - 🧠 ANSWER ✔✔It maximises
the use of all data
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,- Can use in statistical analysis
Value of central tendency to use when you have [nominal or ordinal variables] - 🧠
ANSWER ✔✔Mode
Value of central tendency to use when [outliers] - 🧠 ANSWER ✔✔Median
Structural equation modelling - 🧠 ANSWER ✔✔SEM examines models that
specify a set of relationships among many variables
Yes/No is IV x PV true experimental design - 🧠 ANSWER ✔✔No
- Participant variables are not randomly assigned or controlled
Statistical analysis to assess the unique contribution of each variable in a
correlation - 🧠 ANSWER ✔✔Multiple Regression
Discriminant validity - 🧠 ANSWER ✔✔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
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, Internal consistency reliability - 🧠 ANSWER ✔✔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 - 🧠 ANSWER ✔✔Generalizability
Setting that true experiments generally harder to perform - 🧠 ANSWER ✔✔In
applied settings
Reactive measure show - 🧠 ANSWER ✔✔What the person is like when he/she is
aware of being observed
Type(s) if scale(s) allow you to make quantitative distinctions? - 🧠 ANSWER
✔✔Internal and ratio
What an animal care committed is composed of - 🧠 ANSWER ✔✔1 scientist with
experience in animal use
1 institutional member who does not use animals
1 experienced vet and a community member
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
