Exam (elaborations)
Exam (elaborations) PYC3704 Psychological Research Exam Questions And Answers
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- University Of South Africa (Unisa)
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PYC3704May/June 2020
Question 1
The term ‘inference’ in psychological research refers to - - - - -.
making a prediction or generalization based on existing information
Question 2
Mean, range, variance and standard deviation are examples of - - - - -.
descriptive statistics
Question 3
Which of the options below provides the best description of the main purpose of quantitative research in
psychology? Its purpose is to - - - - -.
develop theories that explain the relationships among observed aspects of human behaviour andmental
processes
Question 4
The process of selecting a subset of a population for a survey is known as - - - - -.
sampling
Question 5
Empirical knowledge is knowledge that is based on - - - - -.
the observation of events
Question 6
In the context of psychological research, to perform a measurement is to - - - - -.
allocate a number on a scale to classify or indicate the magnitude of a phenomenon or construct
Question 7
Which of the following best describes “latent”?
hidden
Question 8
Abstract concepts such as anxiety, hyperactivity and intelligence, which are used in psychological
explanations, are referred to as - - - - -.
constructs
, Question 9
A psychologist has a theory that visual perceptual ability influences the marks that learners will get in a
mathematics test. In this example, “learners’ marks in the mathematics test” is referred to as the - - - - -
variable.
dependent
Question 10
A psychologist is interested in studying the interaction between small groups of four to five people in
each group. He suspects that the interactions between such groups can be described in similar terms to
the interactions between individual persons. In order to be able to do a scientific study of this - - - - -
question, he would have to provide a(an) - - - - - definition of the --------- called “interaction”.
Research - operational - construct
Question 11
The term ‘population’ refers to - - - - -.
the entire group from which the data is to be selected
Question 12
A measurement that summarises an aspect of a population is called a ---------- while a measurement that
describes the same aspect of a sample is called a ----- - -.
parameter statistic
Question 13
A jar contains 5 red, 8 blue, 3 green and 4 yellow marbles. What is the probability that a blindfolded
person would choose a green marble purely by chance?
0.15
Question 14
A list of all the outcomes that are possible in a specific statistical experiment is called the ---------- of that
experiment.
sample space
Question 15
As the sample size increases, the distribution of a variable is more likely to resemble the theoretical
distribution of the variable as you expect to find it in the population. This is due to the ----- - -.
central limit theorem
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