chapter 2 Flashcards
what is the first goal of psychology?
develop measurement techniques that make it posible to describe behavior clearly and precisely
tenative statement about the relationship of two or more variables
hypothesis
any measure conditions, events, characteristics, or bahavior that are controlled or observed in a study
variables
what do scientist hope for why gathering info?
that the info obtained will be of practical value in helping to solve everyday problems *application and control
set of interrelated ideas used to explain a set of observations
theory
what do theories permit psychologist to do?
make a leap from the descriptive of behavior to the understanding of behavior
what is the first step in scientific investigation?
translate a theory or an intuitive idea into a testable hypothesis
what do researchers call a belief in ones own objectivity and opponents subjectivity ____.
naive realism
describes the actions or operations that will be used to measure or control a variable
operation definition
what is the second step in scientific investigation?
figure out how to put the hypothesis to an empiricalbe test
what must a researcher ponder before selecting a strategy that appears to be the most appropriate
pros and cons
___ a the person/animals whose behavior is sytematically observed
participants
__ are procedures for making empirical observations and measures
data collection techniques
what is an advantage of the survey method?
data can be collected quickly and easily
researchers use ___ to analyze their data and to decide whether their hypothesis has been supported
statistics
a ___ is a periodical that publishes technical and scholarly material, usually in a narrow defined area of inquiry
journal
____ consist of various approaches to the observation, measurement, manipulation, and control of variables in studies
research method
___ is a method that an investigator manipulates a variable under carefully controlled conditions and observes whether any changes occur
experiment
what is an independent variable?
part of experiment that varies in order to see the outcome on another variable ( variable that investigator manipulates free to move
what is the dependent variable?
variable affected by manipulations of the independent variable, depends on other variable
what is an experiment group?
subjects who receive some special treatment in regard to the independent variable
what is a control group?
similar subjects who DONT receive any special treatment
