Luciana Believes That Practice Makes Perfect

question 55

Multiple Choice

Luciana believes that practice makes perfect. To empirically test her belief, she conducts a study with two conditions. In one condition participants are asked to memorize a list of words after reviewing them only once. In another condition, they are asked to memorize a list of words, but are allowed to review them four times before being tested. If the results of her independent samples t-test revealed: t(50) = 5.07, p = .00, d = .73, what conclusion can she draw?

• A) She is correct, practice does lead to better performance.
• B) She is incorrect, practice does not lead to better performance.
• C) There is no relationship between practice and performance.
• D) She is incorrect, practice leads to worse performance.

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Definitions:

Double-precision

A format for representing floating-point numbers that uses double the amount of storage compared to single-precision, allowing for increased precision.

Single-precision

Refers to a floating-point number format that uses 32 bits, offering a compromise between range and precision.

Remainder Operator

The remainder operator, often % in many programming languages, calculates the remainder of the division between two numbers.

Integer Number

A whole number that can be either positive, negative, or zero, but without any fractional or decimal component.