Chapter 2 Flashcards
(10 cards)
Describe how variables will be measured (observed) in psychology
Operational Definition
A prediction that can be false (testable)
Hypothesis
Observe behaviour in real-life settings
External validity; what you see in one situation can apply to more
Variables controlled, observer bias/reactivity; change behaviour if observed
Naturalistic Observation (Descriptive Research)
Analysis of a single person, provides new knowledge about new, complex, or rare phenomena, generates new hypothesis for new generations, and can lack external validity
Case Studies (Descriptive Research)
Questionnaires or interviewed of large numbers of people, large amount of data (quick/cheap), can be accurate when represented in random sampling of group (equal chance), sampling bias/nonresponse error, potential inaccurate data
Surveys/Interviews (Descriptive Research)
Information about relationships between two variables, allows us to make predictions, and directionality (self esteem)
Correlations
Manipulation of an independent variable of it’s effects on a dependent variable, can establish cause and effect between two variables, extraneous variable (random assignment), and can be bias (placebo)
Experiments
Conducted when participants can’t be randomly assigned in experiment
Quasi-Experiment
Right to be treated with respect Right to protection Right to informed about results Right to demand proof (ethical review) Informed consent Debriefing Confidentiality
Ethics Bill of Rights
Measures of Central Tendency
Mean, Median, Mode, and Standard Deviation