Research Meth.
Problem&Solution
Statistics
Vocabulary
Potpourri

100

research method in which the psychologist observes the subject in a natural setting without interfering
What is naturalistic observation

100

Two ways in which researchers avoid a self-fulfilling prophecy
What is using a single-blind or double-blind experiment

100

a graph that uses rectangles to show frequency distribution
What is a histogram

100

the group to which an independent variable is applied
What is the experimental group

100

participants are picked to represent proportionally the population that is being studied
What is a stratified sample

200

research method in which information is obtained by asking many individuals a fixed set of questions
What is a survey

200

An experiment where the participants nor the experiminters know which participants received which treatment
What is a double-blind experiment

200

a statistic that describes the direction and strencth of the relationship between two sets of data
What is a correlation coefficient

200

a situation in which a researcher's expectations influence that person's own behavior, and thereby influence the participant's behavior
What is a self-fulfilling prophecy

200

a measure of variability that describes an average distance of every score from the mean
What is standard deviation

300

research method in which data is collected about a group of participants over a number of years to assess how certain characteristics change or remain the same during development
What is a longitudinal study

300

an experiment where the participants do not know if they have received the treatment or the placebo
What is a single-blind experiment

300

On a normal curve, the center of the ranage of scores is represented by this type of central tendency
What is the mean

300

an arrangement of data that indicates how often a particular score or observation occurs
What is frequency distribution

300

If an authority figure is in the room then people will administer painful shocks to others
What is the hypothesis for the Milgram experiment

400

research method in which data is collected from groups of participants of different ages and compared so that conclusions can be drawn about differences due to age
What is a cross-sectional study

400

The Milgram experiment was an example of this type of experiment...explain
What is a single blind experiment...the "teacher" did not know he was not really administering the shocks

400

the two common measures of variance
What is range and standard deviation

400

numerical methods used to determine whether research data support a hypothesis or whether results were due to chance
What is inferential statistics

400

Measures of central tendency...explain
What are mean, median, and mode

500

research method that involves an intensive investigation of one or more participants
What is a case study

500

a change in a participant's illness or behavior that results from a belief that the treatment will have an effect, rather than the actual treatment
What is the placebo effect

500

Researchers' results are said to be statistically significant
when results are less than 5% due to chance

500

a graph of frequency distribution shaped like a symmetrical, bell-shaped curve
What is a normal curve

500

Before starting an experiment researchers are required to submit a plan to a Human Subjects Committee for approval or rejection of the experiment based on...
What is ethics