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