AP PSYCHOLOGY

Detailed explanation-1: -Directional hypothesis: The alternative hypothesis contains the less than (“<“) or greater than (“>”) sign. This indicates that we’re testing whether or not there is a positive or negative effect. Non-directional hypothesis: The alternative hypothesis contains the not equal (“≠”) sign.

Detailed explanation-2: -A hypothesis is an approximate explanation that relates to the set of facts that can be tested by certain further investigations. There are basically two types, namely, null hypothesis and alternative hypothesis.

Detailed explanation-3: -What are the 2 types of hypothesis? The two types of hypotheses are null and alternative hypotheses. Null hypotheses are used to test the claim that “there is no difference between two groups of data". Alternative hypotheses test the claim that “there is a difference between two data groups".

Detailed explanation-4: -With a correlational study, a directional hypothesis states that there is a positive (or negative) correlation between two variables. When a hypothesis states the direction of the results, it is referred to as a directional (one-tailed) hypothesis; this is because it states that the results go in one direction.

Detailed explanation-5: -Two-Tailed or Non-Directional Hypothesis A two-tailed hypothesis predicts that the independent variable will have an effect on the dependent variable without specifying a direction to determine if there is a statistically significant difference between two groups in either direction.