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NCE WKU -- Research & Program Evaluation Flashcards | StudBud
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NCE WKU -- Research & Program Evaluation
NCE WKU -- Research & Program Evaluation
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1
The y axis plots the frequency of the DVs. The y axis could also be called the _____ on your exam. (p.446, q. 758)
ordinate
horizontal axis
IV
abscissa
2
An operational definition (p. 469, q. 795)
is synonymous with the word axiom
outlines a construct
outlines a procedure
is theoretical
3
All of the following are descriptive ways of explaining statistical data except which one?
means
standard deviations
analysis of variance
frequency counts
4
The X axis is used to plot the IV scores. The X axis could also be called the ___ on your exam. (p. 446, q.757)
y axis
DV
abcissa
vertical axis
5
A Type I error occurs when you (pg.426, q.#722)
accept null when it is false
have a beta error
reject null when it is true
fail to use a test of significance
6
Experiments emphasize parsimony, which means interpreting the results (pg.415, q.#702)
using a clinical interview
in the simplest way
using a correlation coefficient
in the most complex manner
7
The Kruskal-Wallis test is used when
you collect data from 2 independent samples and scores aren't evenly spread
you have scores for 2 samples and the scores are correlated
you have more than 2 mean scores on a single variable
you have nominal data that don't fall along a normal curve
8
From a statistical POV, to compare a control group to the experimental group, the researcher will need (pg.422,q.#715)
percentile rank
a correlation coefficient
a test of significance
only descriptive statistics
9
When a researcher wants to measure one variable at 3+ levels, what statistical measure is most appropriate?
MANOVA
Factorial ANOVA
ANCOVA
One-way ANOVA
10
A researcher who completed a study unconsciously rated attractive females as better counselors. This is what? p459 q782
the Halo effect
trend analysis
the Hawthorne effect
the Rosenthal effect
11
An IQ score on an IQ test which was 3 SD above the mean would be (p. 452, q.769).
slightly below the norm for adults
very superior
about average
approximately 110
12
If a researcher changes the significance level from .05 to .001, then (pg.428, q.#726)
alpha errors decrease but beta errors increase
alpha and beta errors will increase
alpha errors increase but beta errors decrease
there's no impact on alpha or beta errors
13
If the correlation between two tests is .80, what is the coefficient of nondetermination?
36%
20%
64%
10%
14
The WAIS-IV test is given to 100 adults. How many would most likely receive a score between 85 and 115? (p.461, q. 785)
95
7
68
30
15
P = .05 really means that (pg.424, q.#718)
the significance level is .01
no significance level has been set
five subjects were not included in the study
5% chance: difference between control & experimental group due to chance
16
A researcher wants to run a true experiment but will not use a random sample. You could safely say that (p.468, q.794)
she absolutely cannot run a true experiment
her research will be correlational
her research will absolutely be causal comparative research
she could accomplish this using systematic sampling
17
A researcher increases the sample size in her experiment. This will (pg.428, q.#725)
have virtually no impact on Type I and Type II errors
raise the probability of Type I and Type II errors
reduce the probability of Type I and Type II errors
confound the experiment in nearly every case
18
Which of the following is an accurate statement about deductive research? (pg.
uses existing theories to explore relationships between certain elements.
It leads to the building of a specific theory.
It tends to be descriptive and correlational.
It is practical in nature.
19
A bimodal distribution has 2 modes. Graphically, this looks roughly like (p.439, q. 743)
a symmetrical bell-shaped curve
the top half of a bowling ball
a mountain leaning towards the left
a camel's back with two humps
20
Chi-square and Mann-Whitney U Test are examples of what type of statistic?
descriptive
nonparametric
parametric
inferential
21
A sociogram is to a counseling group as a scattergram is to (p.448, q.762)
the range
the correlation coefficient
the normal curve
the John Henry effect
22
Switching the order in which stimuli are presented to a subject in a study is known as (p. 466 q. 791)
multiple treatment interference
the Pygmalion effect
ahistoric therapy
counterbalancing
23
A platykurtic distribution would look approximately like (p.452, q. 770).
the upper half of a hot dog, lying on its side over the abscissa
the normal distribution
the upper half of a bowling ball
a camel's back
24
To see if significant differences exist in an ANOVA you would consult (pg.430, q.#730)
the chi-square
a table for F values
a table for t values
the mode
25
A z-score of -2.5 means (p. 451 q. 767)
a CEEB score of 500
2.5 SD below the mean
-.05% of the population falls within this area of the curve
a t-score of 40
