Chapter 2 Flashcards
(22 cards)
Hypothesis
carefully formulated statement that may be either verified or discarded on the bassis of the examination of relevant data
Variables
are attitudes, behaviors, or conditions that can vary
Independent variable
One that affects another variable. A change in the independent variable causes the other variable to change
dependent variable
A variable in which change is caused by an independent variable
Research methods
The research tools used by sociologists, such as surveys, that help to generate new knowledge
Experimental group
In research, a group of subjects that receives special treatment designed by the researcher so that the effects of that treatment may be studied (compare with control group)
control group
In research, a group of subjects that does not receive special treatment designed for an experimental group. The control group serves as a baseline of comparison for the experimental group
bias
Unwanted influences that can produce research results that are invalid or without foundation
sample
A set of subjects that is representative of the total population of subjects
random
A system of sample selection in which every individual in the total population has an equal chance of being selected
open-ended research questions
In research, exploratory questions that leave the sociologist flexibility in deciding what should be considered relevant data.
experimental research
Research conducted to determine how a particular organism or object is affected by different types of treatment selected by the researcher (compare with weld research and historical research)
field research
Research conducted at the place where the subjects are located so that the researcher may gain information through first-hand observation.
passive observation
A type of field research in which the researcher observes the group and records the events for later analysis and interpretation
participant observation
A type of field research in which the researcher plays an active role in the group to the point where he or she becomes an active participant
survey
A type of research in which the participants fill out a questionnaire or answers questions in person or over the phone
tracking
A policy in many schools wherein students are grouped for instruction on the basis of the presumption that their past classroom performance
gatekeepers
Schools that open different doors of opportunity for different student populations through such policies as tracking, thus depriving students from economically disadvantaged backgrounds of knowledge and schools credentials that could facilitate their future upward mobility
historical research
A type of research that is concerned with establishing facts about the past
primary sources
Sources of information used in historical research that have not been interpreted, evaluated, or analyzed by others, for example, original records, diaries, official documents, eyewitness accounts, and oral histories
secondary sources
Sources of information used in historical research that have been interpreted, evaluated, or analyzed by others, for example, publications of scholars
secondary data analysis
The analysis of data that have already been gathered by others, often for totally different purposes.