Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
30 Cards in this Set
- Front
- Back
|
What is a hypothesis?
|
A statment of a test, not a question.
|
|
|
What is a null hypothesis?
|
a negative statement of your hyposthesis.
|
|
|
What is an alternative hypothesis?
|
Used when a non-experimental form is used.
|
|
|
What is an extraneous variable?
|
an independent external influence - lighting
temperature noise etc. |
|
|
What is a case study?
|
Indepth study of 1 person to determine why they behave in a certain way.
|
|
|
What in particular do case studies look at?
|
Childhood.
|
|
|
What is a social survey?
|
Questionnaires.
|
|
|
What are psychometric tests?
|
Standardised
Measure characteristics |
|
|
What is a longitudianal study?
|
A detailed study of a group of people over a long period of time.
|
|
|
What does a longitudinal study measure?
|
Development
|
|
|
What is cross-sectional study?
|
'Matched' subjects from similar backgrounds studying developement.
|
|
|
What is a similar study to cross-sectional?
|
Longitudinal.
|
|
|
What are correlation studies?
|
Relationship between 2 sets of numbers or data.
Data may rise or be opposite. |
|
|
Dependent Variable
|
DV - Experimenter measures.
|
|
|
What research method establishes cause and effect?
|
Experimental.
|
|
|
Independent Variable
|
IV - Experimenter manipulates.
|
|
|
What is a one-tailed hypothesis?
|
Makes a specific prediction of how one vairable effects another.
|
|
|
What is a two-tailed hypothesis?
|
More general prediction which states one vairable affets another but does not say precisely how.
|
|
|
Experimental - Independent Subjects Design -
|
2 groups treated differently the compared.
|
|
|
What is the population of the study?
|
Who the subjects may be said to represent.
|
|
|
Matched pairs design -
|
Subjects matched in pairs then allocated one to each group.
|
|
|
What is the problem with matched pairs design?
|
Matching the pairs.
|
|
|
What is Repeated Measures Design?
|
Selected subjects participate in both conditions/experiments.
|
|
|
What are the problems with repeated measures design?
|
Practice and
fatigue. |
|
|
What are confounding variables?
|
Confound - fail to distinguish, i.e. age, gender, body type etc.
|
|
|
What are Extraneous Variables?
|
Variables which are not being studied or that may affect the DV.
|
|
|
Demand Characteristics -
|
Subjects will behave differently when they know they are being observed.
|
|
|
Single blind -
|
Subject does not know if they are in control group or experiment group.
|
|
|
Double blind -
|
3rd party used to carry out the experiment so experimenter does not give game away.
|
|
|
Another name for an experimental hypothesis -
|
Operational hypothesis - the one upon which the psychologist operates.
|
