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Unit 1 and 2 research methods and terms
n/a
32
Psychology
12th Grade
09/21/2009

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Term
Hindisight Bias
Definition
Tendency to believe, after learning the outcome, that one would have forseen it "i knew it all along." - Humans tend to be over-confidenct - we think we know more than we actually do "self serving bias"
Term
Scientific Method Steps
Definition
1. Indentify study topic - 2. purpose / rationale / reason - 3. form hypothesis - 4. condct study - 5. analyze data - 6. communicate the findings - 7. replicate
Term
Applied Research
Definition
immediate "real world" implications
Term
Basic Research
Definition
Explores questions that are not intedned to have immediate real-world applications - conducted mainly for reasons of inquisitveness and curiosity
Term
Validity & Reliability
Definition
Valid - Research measures what the research set out to measure - it is accurate - Reliability - research can be replicated with consistency - can be both, or one or the other.
Term
Variables
Definition
Things that can vary among the participants in reserach (i.e. age, stress level, height, location)
Term
Independent Variable (IV)
Definition
Variable that is manipulated or changed to test its effects on the dependent variable
Term
Experimental Group
Definition
the group that is receiveing or reacting to the IV (recieving treatment)
Term
Control Group
Definition
group that is not subjected to change in the IV (placebo)
Term
Dependent Variable (DV)
Definition
Variable that is measured to see how it is changed by manipulatins in the IV - in other words a change in the IV, change in the DV
Term
Subjects
Definition
Individuals on which the research will be conducted
Term
Sampling
Definition
the process by which the subjects are selected
Term
Population
Definition
indicated anyone that could be selected as apart of the sample
Term
Random Selections
Definition
increase the likelihood that the samp;le represnets the population
Term
Lab Experiments
Definition
conducted in a highly controlled enviornment
Term
Field Experiments
Definition
conducted out in the real world
Term
Confounding Variable
Definition
any difference between the experimental and control conditions, except for the IV, that might affect the DV - psychologists attempt to limit extranious influences
Term
Random Assignment
Definition
each subject has an equal chance of being placed into any group
Term
Single Blind Procedure
Definition
subjects do not know whether they are in the control group or experimental group
Term
Double Blind Procedure
Definition
to avoid bias - neither the subjects nor the researcher know who is in either group (a third party keeps records)
Term
Posotive Correlation
Definition
direct relationship where factors incresae and decrease together
Term
Negative Correlation
Definition
inverse relationship between facotrs
Term
Correlation Coefficient
Definition
measures how sttrongly two events vary togehtr - use a scator plot - posotive corr = +1 ; neg corr = -1 ; zero represnts no corr.
Term
Naturalistic Observaton
Definition
psychologist studies beavhior in natural setting - advantages: spontatenous, realist and varied behavior - disadvantages: potential observer bias, control is sacrificed possibility of flukes
Term
Field Experiment
Definition
go into the real world and deliberatly alter the real world
Term
Naturalistic Observation
Definition
Only recoridng data no altering environment
Term
Case studies
Definition
intensive descripition and analyiss of single individuals or few individuals for an extended amount of time or for their whole life
Term
APA Animal Research Guidelines
Definition
1. Must have a clear sci purpose - 2. must care for and house animals in a humane way - 3. must acquire animals legally - 4. muust deisgn experimental procedures that employ the lesat amount of suffering
Term
APA Human Research Standards
Definition
1. Informed Consent [participants must know they are involved in research] - 2. Coercion [voluntary] - 3. Anonymity - 4. Risk [participants cannot be placed in sig mental or phys risk] - 5. Debreefing
Term
Mean
Definition
the average of all scores in the distribution
Term
Median
Definition
score in the exactt middle of distriibuution
Term
Mode
Definition
most frequently occuring score
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