6.
Random assignment differs from random selection because:
random assignment is rarely achieved, but random selection is almost
always achieved.
random assignment must be performed by the experimenter who is
carrying out the study, but random selection can be carried out at the
analysis stage.
random assignment deals with how participants in your sample are
assigned to levels of the independent variable, whereas random selection
deals with how you choose participants for your sample in the first
place.
random assignment deals with how you choose participants for your
study in the first place, whereas random selection deals with how
participants in your sample are assigned to levels of the independent
variable.

7.
Most decks of playing cards contain four suitsâ€”hearts, clubs, diamonds, and
spades. If you choose one card from the deck at random, what is the
probability that it will be from the suit diamonds?

8.
If we flip a coin, we would expect the probability of it landing heads to be the
same as it landing tails (e.g., 0.50). However, we are more likely to achieve
this outcome the more often we flip the coin. That is, over a large number of
trials, we are more likely to approximate our expected probability. This is
referred to as:

9.
In a study on the effects of humor on memory, Schmidt (1994) assigned
participants to read either humorous sentences or non-humorous sentences and
then later tested participants' memory for the sentences. Identify the research
hypothesis for this study.

##### We have textbook solutions for you!

**The document you are viewing contains questions related to this textbook.**

**The document you are viewing contains questions related to this textbook.**

Expert Verified