Question 1
Question
What does the term psychometrics mean?
Question 2
Question
A type of psychometric test is ability. What do these measure?
Answer
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Measures of skill (speed, accuracy, IQ)
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Measures of traits (temperament, disposition)
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Measures of reinforcers
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Measures of schedules
Question 3
Question
If a measure is reliable, it will give ______________ scores when you take the measurement again
Answer
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different
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similar
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contrasting
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alternative
Question 4
Question
What does a true score reflect?
Answer
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The persons genuine ability, characteristic or potential
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The persons predicted ability
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The persons average ability
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The persons conscious beliefs
Question 5
Question
Reliability is determined by...
Question 6
Question
If the test is not valid, it will not...
Answer
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Allow accurate identification
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Measure the intended construct
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Predict behavior adequately
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All of the answers
Question 7
Question
An alpha coefficient of ________ is considered reliable.
Question 8
Question
When conducting an Exploratory Factor Analysis....
Answer
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Assume a given factor structure
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Examines whether the data fit the pre- specified factor structure
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You don’t make any assumptions about the underlying structure of the measure
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You look at extraneous reinforcement
Question 9
Question
What is an overall definition of a T-test?
Answer
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Looking at differences in the Mean of two groups in relation to the Variance of the groups
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Looking at differences in the Standard deviation of two groups in relation to the Variance of the groups
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Looking at differences in the error of two groups in relation to the Variance of the groups
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None of the answers
Question 10
Question
How do you calculate Variance σ2?
Answer
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Calculate the deviation of each score from the mean
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Calculate the standard error of each score from the mean
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Calculate the sums of squares score from the mean
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Square root the standard error
Question 11
Question
Standard Error is the term used to describe ...
Answer
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the Standard Deviation of a number of sample means
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the mean of a number of sample means
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the error of a number of sample means
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None of the answers
Question 12
Question
To find the critical value you need...
Question 13
Question
When using an independent samples t....
Answer
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participants provide one data point
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participants provide more than one data point
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individual data points but we match pairs from each group on important variables
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Every participant takes part in all the levels of the independent variable
Question 14
Question
Average Error is also known as...
Answer
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Variance
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Standard deviations
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Square roots
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Squared variance
Question 15
Question
Which of the following is NOT an example of predictive validity?
Answer
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A questionnaire measure of enjoyment of social interactions correlates negatively with clinician-rated symptoms of social-anxiety
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People who take more risks on a task designed to measure impulsive risk taking also use illegal substances more often.
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People’s scores on two different self-report measures of depression are similar across multiple time points.
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A questionnaire measure of schizophrenia symptoms distinguishes between people diagnosed with schizophrenia and people diagnosed with bipolar disorder
Question 16
Question
A matched pairs design refers to which of the following...
Answer
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All participants receive all levels of each condition
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Data is collected from two individuals that has been matched based on their score for the dependent variable.
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Data is collected from one individual but it is collected across two timepoints.
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Data is collected from two individuals, but matched on variables that are important for the study
Question 17
Question
If two variables are “co-related”, which of the following can you NOT say about their relationship?
Answer
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Scores on variable A can be used to predict scores on variable B
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There is a statistical relationship between variables A and B.
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Variable A is responsible for causing changes in variable B.
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Variable C may influence the relationship between variables A and B
Question 18
Question
Which of the following is incorrect when considering Thematic Analysis?
Answer
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The top down approach starts with a theme in mind, and the data is organised accordingly.
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The bottom up approach works from the data up, allowing themes to emerge.
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A hybrid of top-down and bottom up approaches are commonly used.
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None of the answers
Question 19
Question
What is the intercept in this table?
Question 20
Question
What do ontological perspectives look at?
Question 21
Question
Reflexivity is the process of critically reflecting on the knowledge we produce. Which of the following does reflexivity do?
Question 22
Question
A correlation of .7 was found between time spent studying and percentage on an exam. What is the proportion of variance in exam scores that can be explained by time spent studying?
Question 23
Question
If Pearson’s correlation coefficient between stress level and workload is .8, how much variance in stress level is not accounted for by workload?
Question 24
Question
What was the first standardised test?
Question 25
Question
What is the difference between an experimental design and a quasi experimental design?
Answer
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experimental designs are not random, whereas quasi-experimental is
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quasi-experimental designs are not random, whereas experimental is
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neither of the designs use random allocation
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experimental designs are more scientific than quasi-experimental
Question 26
Question
We want a ______ difference and a _______ amount of error to give us a more significant T
Question 27
Question
The _________ overlap between the distributions, the more likely you are to find statistically significant differences.
Answer
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more
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less
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neither of the answers
Question 28
Question
Partial Correlation controls for.....
Answer
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the effect of a third variable (or more) on both variables
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the correlation between two variables
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uses both a correlation and a t-test
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uses both a correlation and regression
Question 29
Question
intonation is variation of spoken ______
Answer
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pitch
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tone
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language
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discourse
Question 30
Question
1st order: Descriptive level coding