3001 2-4 Flashcards
Questionnaires
Inexpensive
Difficult to motivate respondents
Neither the respondent nor the researcher can seek clarification
Response rate can be low
Interviews
More expensive to administer
Higher response rate, less chance of response bias
Respondent can ask questions, interviewer can ask for clarification of responses
Possibility of interviewer bias
Response bias
When survey or questionnaire, respondents answer in a way that systematically distorts the results. This bias can happen due to various psychological and social factors.
Interviewer bias
happens when an interviewer’s behavior, tone, or phrasing influences participants’ responses, either consciously or unconsciously.
Sampling –
selecting a sample to draw
conclusions about the population
Representative sample
sample characteristics closely match population characteristic
Simple random sampling
randomly select participants
from the population of interests
Stratified random sampling
Divide the population into strata.
Select a random sample (often of equal size) from each stratu.m
Guarantees that some of each group will be in the sample
This might lead to overrepresentation of a group
cluster sampling
A type of probability sampling where the population is divided into clusters (groups), and entire clusters are randomly selected for the study
Nonprobability sampling
Any sampling method where participants are not chosen randomly, meaning not everyone in the population has an equal chance of being selected. This can introduce bias but is often used when random sampling is not feasible.
Quota sampling
A type of nonprobability sampling where researchers divide the population into subgroups (quotas) and select participants non-randomly until each subgroup reaches a specified quota.
response rate
percentage of the sample that responds
A low response rate may indicate a biased sample (response bias)
Quantitative Approaches
Choose a behavior of interest
-e.g., helping behavior, approach/avoidance behavior, eye
contact, length of conversation, etc.
Choose measure of behavior
-e.g., eye contact: yes or no; duration of eye contact
Allows us to perform statistical analyses
Qualitative Approaches
Narrative record
Written, audio, or video
Behaviors are then classified and organized
Record should be made as soon as possible
Narrative record
record of behavior as it occurred
Naturalistic Observation
observation of behavior without any attempt to intervene
researcher Participation
researcher becomes a member of the
group that is under observation
Problems:
being a participant can affect objectivity
an observer might influence the behavior of others
Concealment
disguised vs. undisguised observation
Addresses problems with reactivity (when observation changes the subject’s behavior)
In undisguised observation, use desensitization and habituation
Advantage of naturalistic observation
useful for describing behavior and relationships between variables under natural circumstances (external
validity)
the disadvantage of naturalistic observation
No control by the researcher, therefore no inference of cause and effect (at best, correlational research)
Systematic Observation
study of one or more specific behaviors in a particular setting