In operant conditioning, a(n) __________ increases the occurrence of a response
A) neutral stimulus
B) conditioned stimulus
C) reinforcer
D) unconditioned stimulus
Answer: C
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A researcher uses a repeated-measures study to compare two treatment conditions with a set of 20 scores in each treatment. What is the value of df for the repeated-measures t statistic?
a. 18 c. 38 b. 19 d. 39
The test assumptions for a one-way between-subjects ANOVA require a(n) ______.
A. homogeneity of distribution B. homogeneity of effect size C. homogeneity of variances D. homogeneity of variables
In comparison with an original study, a replication study usually:
A) tests a new hypothesis by making use of technology that was not available in the past B) makes changes in operational definitions without changing the constructs being studied C) reveals potential problems such as restriction of range D) helps a researcher to identify new predictors of a phenomenon
Semantic memory is organized __________
a. in chunks b. sequentially and chronologically c. hierarchically d. chronologically