PSYC 3302 Final Exam Mastering Questions || with 100% Error-free Answers.
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PSYC 3302
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PSYC 3302
T/F: Only the dependent variable is measured in experimental research correct answers T
T/F: Both the predictor and the outcome variables are measured in correlational research. correct answers T
The term *experiment* refers to which of the following? correct answers A research design in whic...
PSYC 3302 Final Exam Mastering Questions || with 100%
Error-free Answers.
T/F: Only the dependent variable is measured in experimental research correct answers T
T/F: Both the predictor and the outcome variables are measured in correlational research. correct
answers T
The term *experiment* refers to which of the following? correct answers A research design in
which the independent variable is manipulated.
Which of the following three characteristics are used in experiments to make inferences about
the causal relationship between the independent and the dependent variable? correct answers
Association, temporal priority, and control of common-causal variables
In behavioral research, the expected causal relationship between the independent and the
dependent variable is assumed to be which of the following? correct answers Probabilistic
Which of the following NOT used to help make inferences about causality? correct answers
Causal correlation
Experimental designs are called one-way designs if they have correct answers One independent
variable
The different situations that create the IV in an experimental research design (for instance,
providing participants with either a high or low dose of a drug) are known as which of the
following? correct answers The levels of the independent variable
An experimenter studies the influence of ingesting sugar on memory. Children are randomly
assigned either to eat a low calorie ice cream cone (low sugar condition) or a Ben and Jerry's
cone (high sugar condition). They are then asked to learn ten vocabulary words that they did not
previously know, and the number of trials it takes to learn them is measured. The independent
variable in this experiment is correct answers The type of ice cream cone
An experimenter conducts a study in which participants are randomly assigned to study in either
a quiet condition or a noisy condition before their learning is tested. This research design has
correct answers One IV and two levels
Daniel is testing the effects of watching cartoons on children's play. He has one group watch
violent cartoons and another one watch non-violent cartoons. He then measures the children's
aggressive play behaviors. What are the levels of Daniel's independent variable? correct answers
Violent and nonviolent cartoons
In experimental research, the temporal priority of the IV is guaranteed through the use of correct
answers The experimental manipulation
, Which of the following is used to be certain that the participants in the different conditions of a
research design are, on average, equivalent before the experiment begins? correct answers
Random assignment to conditions
The goal of random assignment to conditions is to correct answers Ensure that the participants in
the different conditions of the experiments are, on average, equivalent before the experiment
begins
In an experimental research design, the research hypothesis is that correct answers The means on
the dependent variable will be different in the different levels of the IV
The level of the independent variable in which the situation of interest was created is frequently
known as which of the following? correct answers The experimental condition
T/F: Some experiments do not have a control condition. correct answers T
Having more than two levels of the IV is necessary to correct answers detect nonlinear
relationships
Which of the following represents the null hypothesis about the means of the dependent variable
in a one-way ANOVA with two levels? correct answers The mean is level A is equal to the mean
is level B
The F value is calculated as which of the following? correct answers The between-groups
variance divided by the within-groups variance
The goal of the ANOVA is to correct answers Compare the means on a dependent variable
across level of an independent variable
The difference between the *t test* and the *f test* is that correct answers the *t test* is used to
compare the two groups means, whereas the *F test* is used to compare any number of means
When conducting statistical analyses in an experimental design, in order to confirm the research
hypothesis, the researcher hopes that which of the following is true? correct answers The
between-groups variance is greater than the within-groups variance
Which of the following would NOT be found in the ANOVA summary table? correct answers
The condition means
T/F: The *t test* is special case of the *F test* correct answers T
In an experimental design that has three levels of the independent variable, a significant *F*
value indicates that correct answers The three means are not the same, but we cannot tell which
means are different from each other
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