KNES 213 EXAMS TEST PAPER ALL QUESTIONS AND
ANSWERS SURE A+
✔✔Refinement - animal ethics - ✔✔minimize pain and distress and enhance welfare of
animals
✔✔A good research question is - ✔✔Specific and clearly defined
✔✔Hypothesis - ✔✔a FALSIFIABLE statement that describes a phenomenon
✔✔Null hypothesis - ✔✔states there's no significant effect or relationship between
variables
✔✔Alternate hypothesis - ✔✔states there is a significant effect or relationship between
variables
✔✔Type 1 error - ✔✔rejecting a true null hypothesis (false positive)
✔✔Type 2 error - ✔✔Failing to reject a false null hypothesis (false negative)
✔✔P-Value - ✔✔the probability of observing the results obtained if the null hypothesis
were true
, ✔✔Independant variable - ✔✔manipulated by researcher
✔✔Dependant variable - ✔✔measured variable
✔✔Operational definition - ✔✔Defining a variable in specific measurable terms
✔✔Nominal variable - ✔✔categories w/ no nominal value, sorted by criterion
Discrete variable
✔✔Ordinal variable - ✔✔categories are ranked, have an order
Non equal intervals between values
✔✔Interval/continuous variables - ✔✔Intervals between values on scale are equal
No absolute/true zero
✔✔Ratio variables - ✔✔Magnitude direction and equal units of measurement
Has an absolute/true zero
✔✔Sampling - ✔✔How you access the group you would like to study
✔✔Population - ✔✔Everyone you would like to understand
✔✔Sample - ✔✔A small group that reflects the population
✔✔Accessible population - ✔✔The portion of the population that is accessible to the
researcher
✔✔Random/probability sampling - ✔✔Every member of the population has an equal
chance of selection
✔✔Systematic sampling - ✔✔every n-th person is selected
✔✔Stratified sampling - ✔✔population is broken down into sub-populations by
characteristic or category
✔✔Cluster sampling - ✔✔break population into clusters and chose one
✔✔Non-random sampling - ✔✔does not involve random selection
✔✔Convenience sampling - ✔✔Asking for volunteers
ANSWERS SURE A+
✔✔Refinement - animal ethics - ✔✔minimize pain and distress and enhance welfare of
animals
✔✔A good research question is - ✔✔Specific and clearly defined
✔✔Hypothesis - ✔✔a FALSIFIABLE statement that describes a phenomenon
✔✔Null hypothesis - ✔✔states there's no significant effect or relationship between
variables
✔✔Alternate hypothesis - ✔✔states there is a significant effect or relationship between
variables
✔✔Type 1 error - ✔✔rejecting a true null hypothesis (false positive)
✔✔Type 2 error - ✔✔Failing to reject a false null hypothesis (false negative)
✔✔P-Value - ✔✔the probability of observing the results obtained if the null hypothesis
were true
, ✔✔Independant variable - ✔✔manipulated by researcher
✔✔Dependant variable - ✔✔measured variable
✔✔Operational definition - ✔✔Defining a variable in specific measurable terms
✔✔Nominal variable - ✔✔categories w/ no nominal value, sorted by criterion
Discrete variable
✔✔Ordinal variable - ✔✔categories are ranked, have an order
Non equal intervals between values
✔✔Interval/continuous variables - ✔✔Intervals between values on scale are equal
No absolute/true zero
✔✔Ratio variables - ✔✔Magnitude direction and equal units of measurement
Has an absolute/true zero
✔✔Sampling - ✔✔How you access the group you would like to study
✔✔Population - ✔✔Everyone you would like to understand
✔✔Sample - ✔✔A small group that reflects the population
✔✔Accessible population - ✔✔The portion of the population that is accessible to the
researcher
✔✔Random/probability sampling - ✔✔Every member of the population has an equal
chance of selection
✔✔Systematic sampling - ✔✔every n-th person is selected
✔✔Stratified sampling - ✔✔population is broken down into sub-populations by
characteristic or category
✔✔Cluster sampling - ✔✔break population into clusters and chose one
✔✔Non-random sampling - ✔✔does not involve random selection
✔✔Convenience sampling - ✔✔Asking for volunteers
