Psychology 242 exam 2 (UIC) 72 correct
solutions verified and approved.
Psychology 242 exam 2 (UIC) 72 correct
solutions verified and approved.
Representative samples - ANSWER better than biased samples.
Random groups selected.
A sample that is similar to the population as a whole in regard to variables that might impact the results
such as gender, religious affiliation, income, and ethnicity.
Non-representative samples - ANSWER can lead to grossly inaccurate and biased results
(Biased)
Self-selected
Convenience
Quota
Purposive
Snowball
self-selected sample - ANSWER members of a population can volunteer to be in the sample
convenience sample - ANSWER Choosing participants based on who is easiest to access
quota sample - ANSWER The researcher selects a convenience sample of a certain number of
participants in each group
purposive sample - ANSWER Only certain types of people are invited to participate in the study
Snowball Sample - ANSWER Participants are asked to refer others to the study
Simple Random Sample - ANSWER Participants are randomly selected from the population
, Psychology 242 exam 2 (UIC) 72 correct
solutions verified and approved.
stratified random sample - ANSWER The researcher identifies specific categories (strata) to sample from.
Participants are randomly selected from each group
Cluster Sample - ANSWER Individuals are members of groups, groups are randomly selected, and then
every individual in the group participates
Multistage Sample - ANSWER Individuals are members of groups, groups are randomly selected, and
then individuals are randomly selected only from that group
Systematic Sample - ANSWER a type of probability sampling method in which sample members from a
larger population are selected according to a random starting point and a fixed, periodic interval.
Target population - ANSWER Two numbers are chosen: a starting point and interval. Starting with
person "n", participants are counted off to include the person at each interval.
Sample - ANSWER a subset of the population
Census - ANSWER A complete enumeration of a population.
Outlier - ANSWER a score that stands out as either much higher or much lower than most of the other
scores in a sample
Scales of measurement - ANSWER nominal, ordinal, interval, ratio
Nominal Scale - ANSWER measurement in which numbers are assigned to objects or classes of objects
solely for the purpose of identification
Ordinal Scale - ANSWER a scale of measurement in which the measurement categories form a rank
order along a continuum
solutions verified and approved.
Psychology 242 exam 2 (UIC) 72 correct
solutions verified and approved.
Representative samples - ANSWER better than biased samples.
Random groups selected.
A sample that is similar to the population as a whole in regard to variables that might impact the results
such as gender, religious affiliation, income, and ethnicity.
Non-representative samples - ANSWER can lead to grossly inaccurate and biased results
(Biased)
Self-selected
Convenience
Quota
Purposive
Snowball
self-selected sample - ANSWER members of a population can volunteer to be in the sample
convenience sample - ANSWER Choosing participants based on who is easiest to access
quota sample - ANSWER The researcher selects a convenience sample of a certain number of
participants in each group
purposive sample - ANSWER Only certain types of people are invited to participate in the study
Snowball Sample - ANSWER Participants are asked to refer others to the study
Simple Random Sample - ANSWER Participants are randomly selected from the population
, Psychology 242 exam 2 (UIC) 72 correct
solutions verified and approved.
stratified random sample - ANSWER The researcher identifies specific categories (strata) to sample from.
Participants are randomly selected from each group
Cluster Sample - ANSWER Individuals are members of groups, groups are randomly selected, and then
every individual in the group participates
Multistage Sample - ANSWER Individuals are members of groups, groups are randomly selected, and
then individuals are randomly selected only from that group
Systematic Sample - ANSWER a type of probability sampling method in which sample members from a
larger population are selected according to a random starting point and a fixed, periodic interval.
Target population - ANSWER Two numbers are chosen: a starting point and interval. Starting with
person "n", participants are counted off to include the person at each interval.
Sample - ANSWER a subset of the population
Census - ANSWER A complete enumeration of a population.
Outlier - ANSWER a score that stands out as either much higher or much lower than most of the other
scores in a sample
Scales of measurement - ANSWER nominal, ordinal, interval, ratio
Nominal Scale - ANSWER measurement in which numbers are assigned to objects or classes of objects
solely for the purpose of identification
Ordinal Scale - ANSWER a scale of measurement in which the measurement categories form a rank
order along a continuum
