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35 Cards in this Set

  • Front
  • Back

The Research Process

1.come up with a theory/idea


2. formulate a testable hypothesis


3.gather evidence


4. update theory based on findings


5.repeat as necessary

Research Ideas

how to come up with a research question?


-personal experience


-observations


-previous research



Theory

-hypothetical explanation of a natural phenomenon (can generate hypothesis)


-although hypotheses are specific predictions about the association b/w two events, they don't explain how or why two events are connected. In contrast, theories provide potential explanations


-ex. according to social learning theory, exposure to violence on TV leads to aggression

Hypothesis

-testable prediction about the relationship b/w two or more variables

Operational Definition

describes a specific procedure or measure of how you will test this hypothesis...researchers can define their variables in very different ways, which in turn can effect the findings

Conceptual Variable

-abstract/general constructs (happiness, racism, stress, aggression)


-to measure conceptual variables, an objective definition is often required..this may involve having an easily available validated instrument, inferring an operational variable from theory, establishing consensus, or all three



Operational Variable

-specific manipulations/measurements of a conceptual variable in a study

Construct Validity

-how well does the operational variable map on to the conceptual variable?


-is the operational variable accurately measuring the conceptual variable?



What method to use if you want to describe phenomena?

descriptive research


What method to use if you want to know the relationship b/w variables?

correlational research

what method to use if you want to know if one variable causes another?

experimental research

Descriptive Research

goal: describe people's thoughts, feelings, and behaviors


methods:casey study, observation, surveys

Case Study

*what type of research is it apart of? (descriptive)


-strengths:


-limitations:

Observation

*what type of research is it apart of? (descriptive)


-strengths:gather info, & develop ideas, avoids faulty or distorted recollections


-limitations: may miss something, too many uncontrollable variables

Surveys

*what type of research is it apart of? (descriptive)


-surveys collect self-reported attitudes & behavs. through a representative & random sample


-strengths: conclusions are more generalizable


-limitations: distorted memory, social desirability, sampling bias, framing effects

Sampling

representative: characteristics of sample match closely to larger population


random: every potential participant has an equal chance of selection

Framing

framing can be done through...


1.endpoints


2.Anchoring


3.Priming



Endpoints

Endpoints: same question but change endpoints can affect answer--perception of normative behav/response (most people avoid endpoints)


ex.how much time did you study for a test; answer=rate of scale 1-6, (1=up to 1 hr 2=1.5 hr 3=2 hr 4=2.5 hr 5=3 hr 6=3+ hr); change time frame of each level & receive diff. results

Anchoring

Anchoring: anchor to gage info and guide response-response relates to anchor given


*fewer/more than 30%?--give ex. of what you think?--25%


*fewer/more than 60%--give ex. of what you think?--40%

Priming

prime mood through question in order to gage response to following questions


"What is the cutest anima?"


"How likely are you to drive a friend?"


--more likely to say yes, because primed by previous question

Correlational Research

goal: discover relationship b/w 2 variables, how well one variable predicts the other


methods: correlation coefficient

Correlation Coefficient (r)

-what research is this method used in? (correlational research)


-varies from -1 to +1...tells direction of relationship,absolute value (w/o sign) tells us its strength


-ex.1:professor notices students who sit in back of room get worse grades (neg. correlation, greater distance=lower grades)


strengths: study associations of naturally occurring variables, can examine phenomena difficult or unethical to manipulate in a lab


limitations: NOT CAUSATION

Experimental Research

goal: establish cause & effect relationships


methods: sample study

Independent Variables

manipulated by the experimenter

Dependent Variables

measured by the experimenter (outcome)



Subject

pre-existing difference among subjects

What are the essential Characteristics of Experimental Research?

random assignment of participants: P's assigned to conditions by chance in order to control for other factors


Experimental Control of Variables: conditions are identical with the exception of the manipulated variable (s)

Sample Studies

research ?:does emotion influence helping behavior?How will you manipulate emotion in your study?


-Sad clip:the notebook


-happy clip:the notebook


*"helping behav"=measured by amount of hrs willing to help a cause after study ends


*helping=higher in sad clip condition than happy clip (random ass. & control=confidence in result)


**problem: there is no neutral condition



Sample Studies cont.(strengths/limitations)

strengths: can rule out influences on subjects' behavior except independent variable


limitations: cant/shouldn't manipulate some variables--ethical boundaries

External Validity

do the results generalize?


*replication across different populations/situations help rate external validity

Confounds

-uncontrolled variables that vary systematically with the independent variable


--threaten internal validity (bow sure you are the IV caused the DV)


--did the experiment include control or comparison groups?



ex. of Confound

-notebook clip study premise but allow P's to choose movie clip so they're not bored


*RQ:does emotion influence helping behav?


-sad clip=notebook, happy clip=crazy, stupid love


-Results: helping=higher in sad than happy clip


-limitations: people who are naturally sad choose sad clip (gets rid of random ass.);also no control (diff. movies)


Confound: different medium=confound, even though the story is the same

Interpreting Results

-main effect: overall effect of IV on DV


-interaction:effect of an IV depends on the level of another IV


*interaction overrides main effect*



Mediators

(How or Why?)


-explains relationship b/w IV and DV (describes psych process that occurs)


ex. sad clip leads to helping behav. (mediator=empathy)



Moderators

(when or for whom?)


-alters direction and/or strength of the relationship b/w IV and DV


--can be quantitative(Ex. amount of reward) or qualitative (Ex.sex, race)


*ex. Sad movies sometimes lead to more helping...when?(movies dont affect you as much)


*ex. long lines sometimes lead to aggression. For whom? (waiting for what?)