Mod 7

Question 1

Informed Consent

Answer 1

Giving potential participants enough information about a study to enable them to choose whether they wish to participate

Question 2

Debriefing

Answer 2

the post-experimental explanation of a study, including its purpose and any deceptions, to its participants

Question 3

Descriptive Statisitcs

Answer 3

Numerical data used to measure and describe characteristics of groups. Includes measures of central tendency and measures of variation.

Question 4

Histogram

Answer 4

A bar graph depicting a frequency distribution

Question 5

Mode

Answer 5

The most frequently occurring score(s) in a distribution

Question 6

Mean

Answer 6

the arithmetic average of a distribution, obtained by adding the scores and then dividing by the number of scores

Question 7

Medium

Answer 7

The middle score in a distribution; half the scores are above it and half are below it

Question 8

Skewed Distribution

Answer 8

A representation of scores that lack symmetry around their average value

Question 9

Range

Answer 9

The difference between the highest and lowest scores in a distribution

Question 10

Standard Deviation

Answer 10

A computed measure of how much scores vary around the mean score

Question 11

Normal Curve

Answer 11

(normal distribution) a symmetrical, bell-shaped curve that describes the distribution of many types of data; most scores fall near the mean (68 percent fall within one standard deviation of it) and fewer and fewer near the extremes.

Question 12

Statistical Significance

Answer 12

A statistical statement of how likely it is that an obtained result occurred by chance