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2102-001 Term Test 2 Review by Quiz! Flashcards | StudBud
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2102-001 Term Test 2 Review by Quiz!
2102-001 Term Test 2 Review by Quiz!
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1
Name the design:
Pretest-posttest nonequivalent control group
nonequivalent group
pre-post
time series
2
Within-subject research needs a large number of participants compared to other designs.
True
False
3
What type of statistics allows to infer what may happen with a population based on the data?
differential statistics
Descriptive statistics
current statistics
inferential statistics
4
A type II error is _______.
fail to reject a "true" null
failing to reject false null
rejecting false null
rejecting "true" null
5
In ANOVA what does the F value mean?
The amount of systematic variance
The ratio of systematic variance to unsystematic variance
The ratio of the IV and error degrees of freedom
The probability of the observed data (or more extreme)
6
If I want to see if the 3 Term test scores of 2102 students are significantly different from each other, which stats?
Repeated measures t-test
Independent ANOVA
Chi-square test for independence
Repeated measures ANOVA
7
Name the design:
nonequivalent group
Pretest-posttest nonequivalent control group
pre-post
time series
8
The most commonly reported measure of central tendency is the
mean
range
median
mode
9
Statistics come from __________ and parameters come from ___________.
Populations, Samples
Samples, Populations
10
Is a type 1 error a false negative or a false positive?
A false negative
A false positive
11
Name the design:
nonequivalent group
Pretest-posttest nonequivalent control group
pre-post
Posttest-only nonequivalent control group
12
A study examines if frustration with an online test system leads to lower marks. A measure of frustration is a
measure of the dependent variable
measure of an extraneous variable
control for confounding variables
manipulation check
13
In the experimental research method, the different treatment conditions are called:
the levels of the independent variable
levels of extraneous variables
the levels of the dependent variable
control conditions
14
What is the difference between when you would use a t test and an ANOVA?
Whether the measures are dependent or independent
nothing - they are interchangeable
Whether there are 2 comparisons or more than 2
Whether the measures represent frequencies or means
15
If I want to compare the final marks of class 2102-001 and 2102-002, which stats?
Independent t-test
Repeated measures t-test
Independent ANOVA
Chi-square test for independence
16
Name for the variable used to differentiate groups in a nonexperimental or quasi-experimental design?
Dependent variable
Quasi-Independent variable
Independent variable
Quasi-Dependent variable
17
Name the design:
Pretest-posttest nonequivalent control group
pre-post
time series
nonequivalent group
18
A type 1 error occurs when...
We fail to reject the null when we shouldn't
We reject the null when we should
We reject the null when we shouldn't
We fail to reject the null when we should
19
Non-Experimental research strategies..
Control for all confounding variables
Attempt to establish cause-and-effect
makes little or no attempt to minimize threats to internal validity
actively makes some attempt to minimize threats to internal validity
20
__________ is a concern for cross-sectional developmental designs. __________ is a concern for longitudinal designs.
practise effects, individual differences
attrition, cohort effects
cohort effects, attrition
bias, generational effects
21
If an ANOVA is significant, then:
between variability is greater than within
total variability is greater than between variability
between variability is smaller than within
between variability is equal to within
22
What are the two types of statistics?
descriptive and inferential
inferential and random
Systematic and stratified
random and descriptive
23
What can be used to address order effects if there are too many conditions to completely counterbalance?
Nothing
Greek circle
Latin square
Randomization
24
Standard Deviation goes with which Central Tendency?
mean
range
mode
median
25
Central tendency statistics include:
beats, bears, battlestar galactica
Mode, range, beats
mean, median, nice
Mean, median, mode
26
Central tendency is....
Descriptive and inferential statistics.
Variables.
A number that describes the central location within scores.
Statistics.
27
Research where the same group is tested repeatedly over a long period of time to study changes with age is:
longitudinal design
time-series design
cross-sectional design
pre-post design
28
A differential research design is a research study that
compares pre-existing groups
randomly assigns participants to groups
Compares 2 balanced equal groups
compares a pre-test measurement to a post-test measurement
29
In a matched pairs design
one group is matched to another similar group.
is not a type of research design.
only identical twins can participate.
each person is matched with a person in the other group.
30
Counterbalancing is used to reduce what?
Repeated measures
Demand characteristics
Order effects
Researcher bias
