Tricky Vocab
What is type I (alpha) and type II (beta)?
In order to conduct an experimental design, the research needs
What is probability?
Comparing two groups for significant differences
What is a t-test?
Client gets a sugar pill, and improves
What is the placebo effect?
You reject a null hypothesis when the experiment really was a dud
What is Type I (alpha)?
In counselor research the experimental group most often receives
What is the treatment or intervention?
What is .05?
The relationship between two variables
Clients are improving in a study, even though they are not getting an intervention
What is the Hawthorne Effect?
You accept the null hypothesis as accurately reflecting the results of your experiment, when in reality you should have rejected it.
What is Type II error (beta)?
Statement by the researcher that nothing will happen in an experimental design
What is the null hypothesis?
What is p=.05?
The relationship between studying and test scores
What is positive?
Clients are told they're improving, even when they haven't been given an intervention, and then over time they do improve
Occam's Razor suggests that experimenters
What is interpret the results in the simplest manner?
Manner in which the research knows the experimental group was different than the control group
What is significance?
The statistical way of saying that if difference between two groups really exist, then the experimenter will obtain the same results 95 out of 100 times
What is p=.05?
Length in inches and length in centimeters
What is a perfect correlation?
Clients have a positive reaction to the researcher (like finding them attractive)
What is the Halo Effect?
Experiments emphasize parsimony
A professor hypothesized that biofeedback training could reduce anxiety and improve the average score on a board exam. In a experiment the IV would be ___ and the DV would be ___
What is biofeedback and board exam scores
To rule out chance factors you would set your p level
What is as small as possible (usually .001)?
length of baby toes to NCE scores
What is a near 0 correlation? (There is none).
Mann-Whitney U-test, Wilcoxon, Soloman, Kruskal-Wallis H-test
What are non-parametric tests?