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Research and Program Eval Flashcards | StudBud

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What is a mode?

An experiment is said to be confounded when:

Research and Program Eval

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1
An experiment is said to be confounded when:
undesirable variables are not kept out of experiment
undesirable variables are kept out of experiment
basic research is used in place of applied research
the sample is random
2
What is a mode?
the middle score in the distribution of scores
always 10% less than the mean
most frequently occurring score
the arithmetic average
3
In the social sciences the accepted probability is usually
5.0
.001 or less
.05 or less
1.0 or higher
4
The variable you manipulate/control in an experiment is the:
IV
variable you will measure to determine the outcome
DV
dependent variable
5
In experimental terminology IV stands for ___ and DV stands for ___
independent variable, dependent variable
independent variable; designer variable
individual variable; dependent variable
dependent variable; independent variable
6
In order to compare a control group to the experimental group the researcher will need:
a test of significance
only descriptive statistics
a correlation coefficient
percentile rank
7
When you see the letter P in relation to a test of significance it means
probability
population parameter
portion
researcher is using an ethnographic qualitative approach
8
A Type I error occurs when
you fail to use a test of significance
you accept null when it is false
you have a beta error
you reject null when it is true
9
The median is
never more useful than the mean
arithmetic average
the most frequent value obtained
the middle score when data arranged from highest to lowest
10
A Type II error
means you reject when it is applicable
means you accept null when it is false
a & c
is also called a beta error